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Journal articles on the topic 'Cohens kappa coefficient'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Grimm, Peter, Martina Kastrup Loft, Claus Dam, Malene Roland Vils Pedersen, Signe Timm, and Søren Rafael Rafaelsen. "Intra- and Interobserver Variability in Magnetic Resonance Imaging Measurements in Rectal Cancer Patients." Cancers 13, no. 20 (2021): 5120. http://dx.doi.org/10.3390/cancers13205120.

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Colorectal cancer is the second most common cancer in Europe, and accurate lymph node staging in rectal cancer patients is essential for the selection of their treatment. MRI lymph node staging is complex, and few studies have been published regarding its reproducibility. This study assesses the inter- and intraobserver variability in lymph node size, apparent diffusion coefficient (ADC) measurements, and morphological characterization among inexperienced and experienced radiologists. Four radiologists with different levels of experience in MRI rectal cancer staging analyzed 36 MRI scans of 36

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Schremmer, Tobias, Christian Dejaco, Florian Recker, et al. "OMERACT GCA phantom project: validation of a 3D-printed ultrasound training phantom for diagnosis of giant cell arteritis." RMD Open 11, no. 1 (2025): e005316. https://doi.org/10.1136/rmdopen-2024-005316.

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ObjectiveUltrasonography is crucial for diagnosing giant cell arteritis (GCA); however, training opportunities are rare. This study tested the reliability of ultrasonography findings and measurements of the intima-media thickness (IMT) among ultrasonography experts by using phantoms of the axillary (AA) and temporal arteries (TA) created with high-resolution 3D printing.MethodsTwenty-eight participants from 12 European countries received eight sets of phantoms of the AA and the superficial TA (including common, frontal and parietal branches), which were examined in a blinded fashion according

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Hamedani, Nasim Shahidi, Johannes Oldenburg, Bernd Pötzsch, and Jens Müller. "Optimization and evaluation of a two-stage chromogenic assay procedure for measurement of emicizumab plasma levels." PLOS ONE 17, no. 7 (2022): e0271330. http://dx.doi.org/10.1371/journal.pone.0271330.

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Emicizumab mimics the hemostatic activity of activated factor VIII (FVIIIa) within the tenase complex. Despite functional similarities between FVIIIa and emicizumab, conventional laboratory methods designed for monitoring of FVIII activity are inappropriate for the measurement of emicizumab. At present, a modified one stage (FVIII) assay (mOSA) is mainly used for emicizumab monitoring. Two-stage chromogenic FVIII assays based on human factors can be used, although limited performance due to lack of corresponding optimization might be observed. Furthermore, the presence of FVIII or anticoagulan

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Suponeva, Natalya A., Dzhamilya G. Yusupova, Kseniya A. Ilyina, et al. "Validation of the modified Ashworth scale in Russia." Annals of Clinical and Experimental Neurology 14, no. 1 (2020): 89–96. https://doi.org/10.25692/acen.2020.1.10.

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Spasticity after stroke is a factor that causes disability and restricts activities of daily living, and represents a problem for both doctors and patients relatives. At the present time, the modified Ashworth scale (MAS) is a useful method of assessing increased muscle tone in patients after a cerebrovascular incident. The aim of the work is the linguistic and cultural adaptation of the MAS, with subsequent evaluation of its psychometric properties. Materials and methods. The study included 50 patients. The validation procedure consisted of linguistic and cultural adaptation and evaluation of

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Lukama, Lufunda, Colleen Aldous, Charles Michelo, and Chester Kalinda. "Ear, Nose and Throat (ENT) disease diagnostic error in low-resource health care: Observations from a hospital-based cross-sectional study." PLOS ONE 18, no. 2 (2023): e0281686. http://dx.doi.org/10.1371/journal.pone.0281686.

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Although the global burden of ear, nose and throat (ENT) diseases is high, data relating to ENT disease epidemiology and diagnostic error in resource-limited settings remain scarce. We conducted a retrospective cross-sectional review of ENT patients’ clinical records at a resource-limited tertiary hospital. We determined the diagnostic accuracy and appropriateness of patient referrals for ENT specialist care using descriptive statistics. Cohens kappa coefficient (κ) was calculated to determine the diagnostic agreement between non-ENT clinicians and the ENT specialist, and logistic regression a

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Prihatini, Septimar, Djemari Mardapi, and Sutrisno Sutrisno. "PENGEMBANGAN MODEL PENILAIAN AKHLAK PESERTA DIDIK MADRASAH ALIYAH." Jurnal Penelitian dan Evaluasi Pendidikan 17, no. 2 (2013): 347–68. http://dx.doi.org/10.21831/pep.v17i2.1705.

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Tujuan penelitian ini adalah mengembangkan model penilaian akhlak peserta didik Madrasah Aliyah. Konstruk akhlak dikembangkan dengan pendekatan akhlak sebagai aspek afektif dan konsep religiousity dari Glock and Stark (1966). Penelitian pengembangan ini menggunakan metode lapor diri dan observasi tak langsung, melibatkan 291 siswa dan 26 guru dengan teknik purposive sampling. Pengujian kualitas instrumen meliputi: validasi tampang, isi, dan konstruk; reliabilitas (konsistensi internal dan reliabilitas interrater); dan uji stabilitas instrumen. Hasil pe-nelitian ini adalah: (1) Model penilaian

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Alci, Aysun, Fatih Ikiz, Necim Yalcin, et al. "Prediction of Clavien Dindo Classification ≥ Grade III Complications After Epithelial Ovarian Cancer Surgery Using Machine Learning Methods." Medicina 61, no. 4 (2025): 695. https://doi.org/10.3390/medicina61040695.

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Background and Objectives: Ovarian cancer surgery requires multiple radical resections with a high risk of complications. The aim of this single-centre, retrospective study was to determine the best method for predicting Clavien–Dindo grade ≥ III complications using machine learning techniques. Material and Methods: The study included 179 patients who underwent surgery at the gynaecological oncology department of Antalya Training and Research Hospital between January 2015 and December 2020. The data were randomly split into training set n = 134 (75%) and test set n = 45 (25%). We used 49 predi

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Warrens, Matthijs J. "New Interpretations of Cohen’s Kappa." Journal of Mathematics 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/203907.

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Cohen’s kappa is a widely used association coefficient for summarizing interrater agreement on a nominal scale. Kappa reduces the ratings of the two observers to a single number. With three or more categories it is more informative to summarize the ratings by category coefficients that describe the information for each category separately. Examples of category coefficients are the sensitivity or specificity of a category or the Bloch-Kraemer weighted kappa. However, in many research studies one is often only interested in a single overall number that roughly summarizes the agreement. It is sho

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Hasasna, Muhammad, Samvel V. Apresyan, Alexander G. Stepanov, Roman V. Batov, Victoria A. Semenova, and Valeria K. Suonio. "Clinical justification of the effectiveness of the use of digital devices for determining the color of the tooth." Russian Journal of Dentistry 25, no. 4 (2022): 323–30. http://dx.doi.org/10.17816/1728-2802-2021-25-4-323-330.

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BACKGROUND: The procedure for determining the color of teeth can be carried out visually using colors or special devices, or both methods at the same time. The visual definition of shades using popular instrumental techniques, although ubiquitous, is nevertheless very subjective. The hardware method for determining the color of teeth consists in an objective computer analysis of the image obtained under ideal optical conditions. Ambient light should not affect the color detection results obtained by spectrophotometers and colorimeters. The main advantage of the hardware method of determining t

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Kvålseth, Tarald O. "Measurement of Interobserver Disagreement: Correction of Cohen’s Kappa for Negative Values." Journal of Probability and Statistics 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/751803.

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As measures of interobserver agreement for both nominal and ordinal categories, Cohen’s kappa coefficients appear to be the most widely used with simple and meaningful interpretations. However, for negative coefficient values when (the probability of) observed disagreement exceeds chance-expected disagreement, no fixed lower bounds exist for the kappa coefficients and their interpretations are no longer meaningful and may be entirely misleading. In this paper, alternative measures of disagreement (or negative agreement) are proposed as simple corrections or modifications of Cohen’s kappa coeff

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Ybytayeva, G. S., O. Zh Mamyrbayev, N. F. Khairova, K. Zh Mukhsina та B. Zh Zhumazhanov. "Features of Сohen’s kappa coefficient as a measure of expert opinion agreement". Bulletin of the National Engineering Academy of the Republic of Kazakhstan 89, № 3 (2023): 139–51. http://dx.doi.org/10.47533/2023.1606-146x.26.

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Modern metrics for evaluating agreement coefficients between the experimental results and expert opinion are compared, and the possibility of using these metrics in experimental research in automatic text processing by machine learning methods is assessed. The choice of Cohen’s kappa coefficient as a measure of expert opinion agreement in the NLP and Text Mining problems is justified. An example of using Cohen’s kappa coefficient for evaluating the level of agreement between the opinion of an expert and the results of ML classification and the measure of agreement of expert opinions in the ali

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von Eye, Alexander, and Maxine von Eye. "Can One Use Cohen’s Kappa to Examine Disagreement?" Methodology 1, no. 4 (2005): 129–42. http://dx.doi.org/10.1027/1614-2241.1.4.129.

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Abstract. This research discusses the use of Cohen’s κ (kappa), Brennan and Prediger’s κn, and the coefficient of raw agreement for the examination of disagreement. Three scenarios are considered. The first involves all disagreement cells in a rater × rater cross-tabulation. The second involves one of the triangles of disagreement cells. The third involves the cells that indicate disagreement by one (ordinal) scale unit. For each of these three scenarios, coefficients of disagreement in the form of κ equivalents are derived. The behavior of the coefficients of disagreement in the three situati

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De Raadt, Alexandra, Matthijs J. Warrens, Roel J. Bosker, and Henk A. L. Kiers. "Kappa Coefficients for Missing Data." Educational and Psychological Measurement 79, no. 3 (2019): 558–76. http://dx.doi.org/10.1177/0013164418823249.

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Cohen’s kappa coefficient is commonly used for assessing agreement between classifications of two raters on a nominal scale. Three variants of Cohen’s kappa that can handle missing data are presented. Data are considered missing if one or both ratings of a unit are missing. We study how well the variants estimate the kappa value for complete data under two missing data mechanisms—namely, missingness completely at random and a form of missingness not at random. The kappa coefficient considered in Gwet ( Handbook of Inter-rater Reliability, 4th ed.) and the kappa coefficient based on listwise de

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Valiquette, Claude A. M., Alain D. Lesage, Mireille Cyr, and Jean Toupin. "Computing Cohen’s kappa coefficients using SPSS MATRIX." Behavior Research Methods, Instruments, & Computers 26, no. 1 (1994): 60–61. http://dx.doi.org/10.3758/bf03204566.

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Artstein, Ron, and Massimo Poesio. "Inter-Coder Agreement for Computational Linguistics." Computational Linguistics 34, no. 4 (2008): 555–96. http://dx.doi.org/10.1162/coli.07-034-r2.

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This article is a survey of methods for measuring agreement among corpus annotators. It exposes the mathematics and underlying assumptions of agreement coefficients, covering Krippendorff's alpha as well as Scott's pi and Cohen's kappa; discusses the use of coefficients in several annotation tasks; and argues that weighted, alpha-like coefficients, traditionally less used than kappa-like measures in computational linguistics, may be more appropriate for many corpus annotation tasks—but that their use makes the interpretation of the value of the coefficient even harder.

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Dalila, Trad, Al-Ani Tarik, and Jemni Mohamed. "BRAIN Journal - Motor Imagery signal Classification for BCI System Using Empirical Mode Décomposition and Bandpower Feature Extraction." BRAIN - Broad Research in Artificial Intelligence and Neuroscience 7, no. 2 (2016): 5–16. https://doi.org/10.5281/zenodo.1044300.

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ABSTRACT The idea that brain activity could be used as a communication channel has rapidly developed. Indeed, Electroencephalography (EEG) is the most common technique to measure the brain activity on the scalp and in real-time. In this study we examine the use of EEG signals in Brain Computer Interface (BCI). This approach consists of combining the Empirical Mode Decomposition (EMD) and band power (BP) for the extraction of EEG signals in order to classify motor imagery (MI). This new feature extraction approach is intended for non-stationary and non-linear characteristics MI EEG. The EMD met

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DOĞAN, İsmet, and Nurhan DOĞAN. "Evaluation of Cohen Kappa Coefficient and Distinguishability for Binary Data: A Simulation Study." Turkiye Klinikleri Journal of Biostatistics 14, no. 3 (2022): 190–98. http://dx.doi.org/10.5336/biostatic.2022-89212.

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Luz, Laércio Lima, Lívia Maria Santiago, João Francisco Santos da Silva, and Inês Echenique Mattos. "Psychometric properties of the Brazilian version of the Vulnerable Elders Survey-13 (VES-13)." Cadernos de Saúde Pública 31, no. 3 (2015): 507–15. http://dx.doi.org/10.1590/0102-311x00011714.

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This study aims to assess the psychometric properties of the Brazilian version of the Vulnerable Elders Survey-13 (VES-13). Interviews were carried out with individuals aged 60 years and over receiving care at an ambulatory cancer centre. Test-retest reliability was assessed using the Spearman correlation coefficient, intraclass correlation coefficients and Cohen's kappa coefficient. Construct validity was assessed by testing convergent and discriminant validity using principal component analysis and Varimax rotation. The Spearman correlation coefficient value of the comparison between test an

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Cadiente, Angelo, Jamie Chen, April Adams, and Antonia F. Oladipo. "Pregnancy Loss: A Comparative Analysis of Information Delivery Between ACOG FAQs and ChatGPT [ID 2683594]." Obstetrics & Gynecology 143, no. 5S (2024): 58S. http://dx.doi.org/10.1097/01.aog.0001013748.64403.38.

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INTRODUCTION: Pregnancy loss is a sensitive topic, and clear, reliable information is crucial. This study compares the readability and accuracy of ChatGPT's responses to ACOG's frequently asked questions (FAQ) sheets on the subject. METHODS: Within the five FAQ sheets under “Pregnancy Loss,” 66 questions were assessed using ChatGPT-3.5. Readability scores, ie, Flesch–Kincaid Reading Ease, Flesch–Kincaid Grade Level, Gunning Fog Score, Smog Index, Coleman Liau Index, and Automated Readability Index were computed for each response. The quality of responses were also graded by two maternal–fetal

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Wijaya, Marvin Chandra. "Automatic Short Answer Grading System in Indonesian Language Using BERT Machine Learning." Revue d'Intelligence Artificielle 35, no. 6 (2021): 503–9. http://dx.doi.org/10.18280/ria.350609.

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A system capable of automatically grading short answers is a very useful tool. The system can be created using machine learning algorithms. In this study, a machine system using BERT is proposed. BERT is an open-source system that is set to English by default. The use of languages other than English Language is a challenge to be implemented in BERT. This study proposes a novel system to implement Indonesian Language in the BERT system for automatic grading of short answers. The experimental results were measured using two measuring instruments: Cohen's Kappa coefficient and the Confusion Matri

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Gauld, Christophe, Régis Lopez, Pierre Philip, et al. "A Systematic Review of Sleep–Wake Disorder Diagnostic Criteria Reliability Studies." Biomedicines 10, no. 7 (2022): 1616. http://dx.doi.org/10.3390/biomedicines10071616.

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The aim of this article is to provide a systematic review of reliability studies of the sleep–wake disorder diagnostic criteria of the international classifications used in sleep medicine. Electronic databases (ubMed (1946–2021) and Web of Science (—2021)) were searched up to December 2021 for studies computing the Cohen’s kappa coefficient of diagnostic criteria for the main sleep–wake disorder categories described in the principal classifications. Cohen’s kappa coefficients were extracted for each main sleep–wake disorder category, for each classification subtype, and for the different types

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Almeida, Priscila Masquetto Vieira de, Rodrigo Bazan, Octávio Marques Pontes-Neto, et al. "Translation, cross-cultural adaptation, and validation of the Los Angeles Prehospital Stroke Screen for use in Brazil." Arquivos de Neuro-Psiquiatria 80, no. 3 (2022): 217–23. http://dx.doi.org/10.1590/0004-282x-anp-2020-0589.

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ABSTRACT Background: Stroke is one of the leading causes of death and neurological disability in the world. Several scales help professionals in the early recognition of the disease. However, none of these were developed in Brazil. Objectives: To translate the Los Angeles Prehospital Stroke Screen (LAPSS) into Brazilian Portuguese, and cross-culturally adapt and validate the scale in a representative sample of the Brazilian population. Methods: This study was carried out in two phases: the first consisted in the translation and cross-cultural validation of the LAPSS, and the second in a cross-

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Antini, Carmen, Danuta Rajs, María Teresa Muñoz-Quezada, Boris Andrés Lucero Mondaca, and Gerardo Heiss. "Reliability of cause of death coding: an international comparison." Cadernos de Saúde Pública 31, no. 7 (2015): 1473–82. http://dx.doi.org/10.1590/0102-311x00099814.

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This study evaluates the agreement of nosologic coding of cardiovascular causes of death between a Chilean coder and one in the United States, in a stratified random sample of death certificates of persons aged ≥ 60, issued in 2008 in the Valparaíso and Metropolitan regions, Chile. All causes of death were converted to ICD-10 codes in parallel by both coders. Concordance was analyzed with inter-coder agreement and Cohen’s kappa coefficient by level of specification ICD-10 code for the underlying cause and the total causes of death coding. Inter-coder agreement was 76.4% for all causes of death

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Giovanni, Andrea De, Vincenzo Iannuzzi, Gianni Gallello, et al. "Mercury Intake Estimation in Adult Individuals from Trieste, Italy: Hair Mercury Assessment and Validation of a Newly Developed Food Frequency Questionnaire." Pollutants 3, no. 3 (2023): 320–36. http://dx.doi.org/10.3390/pollutants3030022.

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Seafood constitutes the primary source of exposure to the organic form of mercury in the general population, and the Trieste Gulf is considered a hotspot of mercury contamination. We used a newly developed quantitative food frequency questionnaire to obtain an estimation of the intake of mercury through seafood consumption in a sample of 32 individuals from Trieste. Then, we validated the results obtained from the questionnaire against those of the analysis of total mercury measured in the hair of the same individuals through Spearman rank correlation coefficients, Cohen’s weighted Kappa stati

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Wilkens, R. T., K. Nylund, F. Petersen, et al. "P176 Expert consensus on acquisition and reporting of intestinal ultrasonography activity in Crohn’s disease. A prospective inter-rater agreement study." Journal of Crohn's and Colitis 14, Supplement_1 (2020): S225—S226. http://dx.doi.org/10.1093/ecco-jcc/jjz203.305.

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Abstract Background Intestinal ultrasonography (IUS) is a promising cross-sectional imaging modality used to assess transmural disease and complications in Crohn’s disease (CD). Although recently positioned as a first-line modality for evaluation as per ECCO guidelines, standard measurements, reproducibility and nomenclature have not yet been clearly established. The aim of this study was to evaluate the inter-rater agreement for parameters identified as important by experts through Delphi consensus. Methods IUS parameters demonstrating inflammatory activity were systematically reviewed in the

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Klein, Daniel. "Implementing a General Framework for Assessing Interrater Agreement in Stata." Stata Journal: Promoting communications on statistics and Stata 18, no. 4 (2018): 871–901. http://dx.doi.org/10.1177/1536867x1801800408.

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Despite its well-known weaknesses, researchers continuously choose the kappa coefficient (Cohen, 1960, Educational and Psychological Measurement 20: 37–46; Fleiss, 1971, Psychological Bulletin 76: 378–382) to quantify agreement among raters. Part of kappa's persistent popularity seems to arise from a lack of available alternative agreement coefficients in statistical software packages such as Stata. In this article, I review Gwet’s (2014, Handbook of Inter-Rater Reliability) recently developed framework of interrater agreement coefficients. This framework extends several agreement coefficients

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Gristina, Valerio, Nadia Barraco, Maria La Mantia, et al. "Clinical Potential of Circulating Cell-Free DNA (cfDNA) for Longitudinally Monitoring Clinical Outcomes in the First-Line Setting of Non-Small-Cell Lung Cancer (NSCLC): A Real-World Prospective Study." Cancers 14, no. 23 (2022): 6013. http://dx.doi.org/10.3390/cancers14236013.

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Background: Despite the increasing implementation of targeted and immunotherapy-based treatments, the prognosis of patients with advanced NSCLC remains dismal. We prospectively evaluated longitudinal plasma cfDNA kinetics as an early marker of therapeutic efficacy in patients with advanced NSCLC undergoing standard first-line treatments. Methods: From February 2020 to May 2022, treatment-naïve patients with advanced NSCLC were consecutively enrolled at the Medical Oncology Unit of the Paolo Giaccone University Hospital, Palermo (Italy). We quantified cfDNA in terms of ng/μL using a QubitTM dsD

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Streel, Sylvie, Alixe Salmon, Adriane Dheur, et al. "Diagnostic Performance of Immunohistochemistry Compared to Molecular Techniques for Microsatellite Instability and p53 Mutation Detection in Endometrial Cancer." International Journal of Molecular Sciences 24, no. 5 (2023): 4866. http://dx.doi.org/10.3390/ijms24054866.

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Molecular algorithms may estimate the risk of recurrence and death for patients with endometrial cancer (EC) and may impact treatment decisions. To detect microsatellite instabilities (MSI) and p53 mutations, immunohistochemistry (IHC) and molecular techniques are used. To select the most appropriate method, and to have an accurate interpretation of their results, knowledge of the performance characteristics of these respective methods is essential. The objective of this study was to assess the diagnostic performance of IHC versus molecular techniques (gold standard). One hundred and thirty-tw

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Mielke, P. W., and K. J. Berry. "A note on Cohen’s weighted kappa coefficient of agreement with linear weights." Statistical Methodology 6, no. 5 (2009): 439–46. http://dx.doi.org/10.1016/j.stamet.2009.03.002.

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Altenburg, Teatske, Saskia te Velde, Kai-Jan Chiu, et al. "Interrater Reliability of the ENERGY Photo-Rating Instrument for School Environments Related to Physical Activity and Eating." Journal of Physical Activity and Health 13, no. 4 (2016): 433–39. http://dx.doi.org/10.1123/jpah.2015-0025.

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Background:The school environment can play an important role in the prevention of childhood overweight and obesity. Photos of the school environment may contribute to more adequate measurement of the school environment, as photos can be rated by different assessors. We aimed to examine the interrater reliability for rating characteristics of primary school environments related to physical activity and eating.Methods:Photos taken at 172 primary schools in 7 European countries were rated according to a standardized protocol. Briefly, after categorizing all photos in subsections of physical activ

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Warrens, Matthijs J. "Corrected Zegers-ten Berge Coefficients Are Special Cases of Cohen’s Weighted Kappa." Journal of Classification 31, no. 2 (2014): 179–93. http://dx.doi.org/10.1007/s00357-014-9156-9.

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ERDOĞAN, Semra, and Gülhan OREKİCİ TEMEL. "A Comparison of the Sensitivity, Specificity and Prevalence Response of Coefficients of Individual Agreement (CIA) with Cohen's Kappa and Gwet's AC1 Statistics." Turkiye Klinikleri Journal of Biostatistics 7, no. 1 (2015): 25–38. http://dx.doi.org/10.5336/biostatic.2014-41410.

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Temiz Karadağ, D., S. Şan, B. İnner, et al. "AB0717 Developing a Deep Learning Model on Conventional X-Rays in the Diagnosis of Axial Spondyloarthritis." Annals of the Rheumatic Diseases 81, Suppl 1 (2022): 1485.2–1486. http://dx.doi.org/10.1136/annrheumdis-2022-eular.4107.

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BackgroundPlain pelvic radiographs are the most common imaging modality used in the first line for diagnosis of axial Spondyloarthritis (axSpA). However, evaluation of the sacroiliac joint on two-dimensional plain radiographs may lead to misinterpretation among the evaluators.ObjectivesTo investigate the diagnostic power of deep learning models in conventional radiographs of the patients with axSpA.MethodsThe study included 320 axSpA patients and 348 healthy controls (age; 34.5±15.3/38.2±10.6, p=0.072; gender (male) 53.8%/46.3%, p=0.064). Sacroiliitis was confirmed on sacroiliac MRI according

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Srivastava, Niraj, Praguna Singh, Sangeeta Gehlot, Sanjay Singh, and B.M. Singh. "Validation of Prototype Research Software– Infant Prakriti Assessment (PRS-IPA): Inferences from A Cross Sectional Pattern." International Journal of Engineering and Advanced Technology (IJEAT) 9, no. 4 (2020): 391–95. https://doi.org/10.35940/ijeat.D6804.049420.

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Introduction: Prakriti determination in an infant helps to live more healthy and prosperous life by changing their rearing plan accordingly to prevent onset of related disorders in future. Validation under this study was planned to evaluate the agreement between Infant’s Prakriti Assessment questionnaire (IPAQ) and PRS-IPA (Prototype Research Software-Infant Prakriti Assessment), a software for Prakriti assessment in infants. Materials and methods: A cross sectional study was carried out in Sir Sunderlal Hospital BHU and data were analyzed through two step Prakriti determination process

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Felipe, Beatriz Caio, Fernanda Chiguti Yamashita, Amanda Lury Yamashita, et al. "Problem-based learning in dentistry: Diagnostic capability of dentists in the detection of calcified carotid artery atheroma on digital panoramic radiographs." Research, Society and Development 9, no. 11 (2020): e70991110451. http://dx.doi.org/10.33448/rsd-v9i11.10451.

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Objective: The aim of this study was to evaluate the diagnostic capability of dentists in the identification of suggestive images of calcified carotid artery atheroma (CCAA) on panoramic radiographs (PRs) before and after using a problem-based learning method (PBL). Methodology: Five dentists (no specialists in oral and maxillofacial radiology) analyzed 102 digital PRs divided into: PRs with suggestive images of CCAA (n=51) and without suggestive images of CCAA (n=51). After the first analysis, the examiners attended an activity on soft tissue calcifications using the PBL method. Afterwards, t

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Zúñiga, Andrés A., João F. P. Fernandes, and Paulo J. C. Branco. "Comparisons Between Quantitative FMECA Methods: A Case Study on Power Transformer Risk Assessments." Systems 13, no. 6 (2025): 450. https://doi.org/10.3390/systems13060450.

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The efficacy of new FMECA methods can be assessed through qualitative comparisons of the failure mode rankings. This approach is suitable for a few failure modes but can become impractical or lead to misleading results for more extensive problems. This fact motivated us to introduce an alternative approach for comparing different FMECA methods based on agreement coefficients, enabling a statistical comparison between rankings generated by independent raters. Despite its relevance, the application of agreement coefficients is limited in the FMECA context. Our proposed approach utilizes Cohen’s

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Becker, Gilbert. "Creating Comparability among Reliability Coefficients: The Case of Cronbach Alpha and Cohen Kappa." Psychological Reports 87, no. 3_suppl (2000): 1171–82. http://dx.doi.org/10.2466/pr0.2000.87.3f.1171.

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Cronbach alpha and Cohen kappa were compared and found to differ along two major facets. A fourfold classification system based on these facets clarifies the double contrast and produces a common metric allowing direct comparability. A new estimator, coefficient beta, is introduced in the process and is presented as a complement to coefficient alpha in estimating the psychometric properties of test scores and ratings.

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Warrens, Matthijs J. "On Agreement Tables with Constant Kappa Values." Advances in Statistics 2014 (August 24, 2014): 1–5. http://dx.doi.org/10.1155/2014/853090.

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Kappa coefficients are standard tools for summarizing the information in cross-classifications of two categorical variables with identical categories, here called agreement tables. When two categories are combined the kappa value usually either increases or decreases. There is a class of agreement tables for which the value of Cohen’s kappa remains constant when two categories are combined. It is shown that for this class of tables all special cases of symmetric kappa coincide and that the value of symmetric kappa is not affected by any partitioning of the categories.

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Smith, A. K., and S. Dragićević. "ASSESSING THE SIMILARITIES OF 3D SIMULATION MODEL OUTCOMES." International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B4-2021 (June 30, 2021): 339–44. http://dx.doi.org/10.5194/isprs-archives-xliii-b4-2021-339-2021.

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Abstract. The recent advancement of simulation modeling to represent phenomena in three spatial dimensions (3D) requires the development of techniques that will allow comparison of the modeling outputs in multiple dimensions. However, many existing techniques for map comparison in two spatial dimensions (2D) have been developed from non-spatial method such Cohen’s Kappa. These techniques are not yet fully extended to deal with 3D map data or simulation outcomes. Therefore, the main objective of this study is to investigate the use of the 3D Accuracy and 3D Cohen’s Kappa coefficients to compare

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Cadiente, Angelo, Puja Patel, and Antonia F. Oladipo. "Navigating Intimate Partner Violence: A Comparative Analysis Between ACOG and ChatGPT on Patient Education [ID 2683552]." Obstetrics & Gynecology 143, no. 5S (2024): 75S. http://dx.doi.org/10.1097/01.aog.0001013984.40432.dc.

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INTRODUCTION: With the surge in artificial intelligence usage, there is an increasing need to assess its applicability in conveying public health information. We compare the readability and quality of responses between ChatGPT and the American College of Obstetricians and Gynecologists (ACOG) in answering frequently asked questions (FAQs) on intimate partner violence (IPV). METHODS: Twelve questions from ACOG's “Intimate Partner Violence” FAQs were posed to ChatGPT-3.5 (July 19 Version). Readability and grade-level scores were determined. The quality of responses were also graded by two obstet

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Lim, Eui Yeon, Yun Jeong Lim, Sang Hoon Kim, Woongsup Kim, and Jung Eun Lee. "Abstract 6475: Compatibility of chatbot-based mobile and paper-based FFQs in participants with colorectal or gastric cancer screening." Cancer Research 83, no. 7_Supplement (2023): 6475. http://dx.doi.org/10.1158/1538-7445.am2023-6475.

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Abstract Background: The food frequency questionnaire (FFQ) is the most commonly used method to assess the usual diet of groups and individuals. Paper or electronic FFQ consists of frequencies and portion sizes of foods and beverages. We developed a chatbot-based mobile FFQ, by embedding the validated FFQs in KakaoTalk, Korea’s most popular mobile messenger. We examined the compatibility of the paper and chatbot-based mobile FFQs in participants who underwent cancer screening endoscopy. Method: A total of 50 men and 45 women aged 24 to 79 were recruited from Dongguk University Ilsan Hospital b

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Afhami, Shirin, Mohammad Ali Borumand, Negin Esmailpour Bazzaz, et al. "Antimicrobial resistance pattern of Acinetobacter; a multicenter study, comparing European Committee on Antimicrobial Susceptibility Testing (EUCAST) and the Clinical and Laboratory Standards Institute (CLSI); evaluation of susceptibility testing methods for polymyxin." Immunopathologia Persa 7, no. 1 (2020): e04-e04. http://dx.doi.org/10.34172/ipp.2021.04.

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Introduction: Acinetobacter species in clinical isolates cause severe infections including meningitis, bloodstream infection, ventilator-associated pneumonia, and surgical site infections. Objectives: In the present study, we evaluated Acinetobacter drug resistance using both European Committee on Antimicrobial Susceptibility Testing (EUCAST) and the Clinical and Laboratory Standards Institute (CLSI) antimicrobial susceptibility test methods. Materials and Methods: Clinical specimens of 128 patients who were admitted in three referral tertiary care teaching hospitals were enrolled in 2014. Blo

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Mourtzikou, Antonia, Dimitrios Tsiftsis, Maria Agrogianni, et al. "A Synchronous Blind Test and Methodological Comparison Between Colloidal Gold Rapid Test vs RT-PCR For Sars-Cov-2 Detection." European Journal of Biomedical Research 1, no. 5 (2022): 7–12. http://dx.doi.org/10.24018/ejbiomed.2022.1.5.26.

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Background: The current pandemic due to novel SARS-CoV-2 virus dramatically affected health care systems and public health worldwide. The present study aimed to evaluate two analytical methods, colloidal gold antigen rapid test vs reference PCR for the detection of SARS-CoV-2. The patients enrolled in the trial were admitted at the emergency department of a tertiary care hospital, with symptoms of suspected COVID-19 disease. Methods: A total of 300 patients participated in the study. Patients’ age, gender and result from the Colloidal antigen rapid test were recorded. PCR detection for SARS-Co

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Nazari, Esfandiar, Zahra Bahman Tajani, Saman Maroufizadeh, Mohammad Ghorbani, Afagh Hassanzadeh Rad, and Hamidreza Badeli. "The effect of short-course point-of-care echocardiography training on the performance of medical interns in children." PLOS ONE 17, no. 12 (2022): e0278173. http://dx.doi.org/10.1371/journal.pone.0278173.

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Background Point-of-care ultrasound (POCUS) can add complementary information to physical examination. Despite its development in several medical specialties, there is a lack of similar studies on children by medical interns and cardiologists. Therefore, investigators aimed to assess the effect of short-course training on the performance of medical interns in point-of-care echocardiography in children. Methods This analytic cross-sectional study was conducted on 161 hospitalized children in 17 Shahrivar children’s hospital, Iran, from January 2021 to May 2021. Seven interns (trainees) particip

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BECKER, GILBERT. "CREATING COMPARABILITY AMONG RELIABILITY COEFFICIENTS: THE CASE OF CRONBACH ALPHA AND COHEN KAPPA." Psychological Reports 87, no. 7 (2000): 1171. http://dx.doi.org/10.2466/pr0.87.7.1171-1182.

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Salazar, Erasmo Rafael, Luis Antonio Nava Puente, Douglas Edwin Rivas Olivo, Alejandro Ramón González Benítez, and Xiomara Josefina Maldonado Quintero. "Un modelo de regresión logística para evaluar la prevalencia del síndrome metabólico en la población general, Mérida, Venezuela." Innovaciencia Facultad de Ciencias Exactas, Físicas y Naturales 3, no. 1 (2015): 22–28. http://dx.doi.org/10.15649/2346075x.365.

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Introducción: Esta investigación ajusta un modelo para la prevalencia del Síndrome Metabólico y, evalúa el nivel de acuerdo en la clasificación de la población general, área metropolitana, municipio Libertador de la ciudad de Mérida, Venezuela, 2005, según las variables PREV1 y PREV2, diseñadas empleando criterios de NCPE-ATP III. Materiales y Métodos: Se propone el uso del coeficiente kappa de Cohen para medir dicho acuerdo. Se emplea el procedimiento propuesto por Nava y Sinha (2007), para ajustar un modelo de regresión logística que relaciona la prevalencia de Síndrome Metabólico (SM), tamb

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Gwet, Kilem L. "Large-Sample Variance of Fleiss Generalized Kappa." Educational and Psychological Measurement 81, no. 4 (2021): 781–90. http://dx.doi.org/10.1177/0013164420973080.

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Cohen’s kappa coefficient was originally proposed for two raters only, and it later extended to an arbitrarily large number of raters to become what is known as Fleiss’ generalized kappa. Fleiss’ generalized kappa and its large-sample variance are still widely used by researchers and were implemented in several software packages, including, among others, SPSS and the R package “rel.” The purpose of this article is to show that the large-sample variance of Fleiss’ generalized kappa is systematically being misused, is invalid as a precision measure for kappa, and cannot be used for constructing

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Berchmans Niyibizi, Jean, Okop Kufre Joseph, Levitt Naomi, et al. "The Comparability of Lipid-based and Body Mass Index-based Cardiovascular Disease Risk Scores: Using the Rwanda 2012-2013 Non-communicable Diseases Risk Factors Survey Data." Rwanda Journal of Medicine and Health Sciences 4, no. 1 (2021): 166–84. http://dx.doi.org/10.4314/rjmhs.v4i1.12.

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Background In Rwanda, cardiovascular diseases (CVDs) ranked second of the most common cause of death in 2016. CVD risk score tools have been recommended to identify people at high risk for management. Objective  To assess the comparability of body mass index (BMI)-based and lipid-based CVD risk scores in Rwandan population. Methods Secondary analysis was conducted on 4185 study participants extracted from the dataset of Rwanda 2012-2013 non-communicable diseases risk factors survey. Individual CVD risk scores were calculated using both BMI-based and lipid-based al

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Srivastava, A., S. Bharadwaj, R. Dubey, V. B. Sharma, and S. Biswas. "MAPPING VEGETATION AND MEASURING THE PERFORMANCE OF MACHINE LEARNING ALGORITHM IN LULC CLASSIFICATION IN THE LARGE AREA USING SENTINEL-2 AND LANDSAT-8 DATASETS OF DEHRADUN AS A TEST CASE." International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B3-2022 (May 30, 2022): 529–35. http://dx.doi.org/10.5194/isprs-archives-xliii-b3-2022-529-2022.

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Abstract. In recent years, the data science and remote sensing communities have started to align due to user-friendly programming tools, access to high-end consumer computing power, and the availability of free satellite data. In particular, publicly available data from the European Space Agency’s “Sentinel” and American Earth observation satellite” landsat” missions have been used in various remote sensing applications.Google Earth Engine (GEE) is such a tool that publicly allow the use of these available datasets, there is a large amount of available data in GEE, which are being used for com

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Calogero, Valeria, Angelo Gabriele Aulisa, Silvia Careri, et al. "Evaluation of Gartland Classification, Baumann Angle and Anterior Humeral Line in Paediatrics Supracondylar Fractures: An Inter and Intra-Observer Reliability Study." Journal of Clinical Medicine 13, no. 1 (2023): 167. http://dx.doi.org/10.3390/jcm13010167.

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Supracondylar fractures of the humerus are frequent paediatric injuries. The aims of this study were to evaluate the applicability and reproducibility of the Gartland and Wilkins classification, the Baumann angle (BA) and the Anterior Humeral Line (AHL). This retrospective monocentric observational study was conducted on 217 patients. Four observers assessed the pre-operative radiographs by applying the Gartland and Wilkins classification and the post-operative X-rays by measuring the BA and AHL. The kappa coefficient (K) and the Cohen’s kappa were used for the reliability of the Gartland clas

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