REVIEW ARTICLE


Kappa Statistics: A Method of Measuring Agreement in Dental Examinations



Farzan Madadizadeh1, Hesam Ghafari2, Sajjad Bahariniya3, *
1 Departments of Biostatistics and Epidemiology, Center for Healthcare Data modeling, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
2 School of Dentistry, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
3 Department of Health Services Management, School of Public Health, Shahid Sadoughi, Iran


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Creative Commons License
© 2023 Madadizadeh et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Health Services Management, School of Public Health, Shahid Sadoughi, Iran; E-mail: sajjadbahari98@gmail.com


Abstract

Statistical methods have always been the solution to medical problems. Due to the problem of inconsistency in the diagnosis of dentists, statistical science has been provided for measuring the compatibility of diagnosis and reliability of dentists. One of the most important statistical methods for examining the agreement between the two experiments or diagnoses is Kappa statistics which can be used in dental sciences. The present study reviewed different types of Kappa statistics for assessing agreement, including Cohen's kappa, Fleiss' kappa, and Cohen's weighted kappa.

Keywords: Kappa statistics, Dental examinations, Compatibility, Cohen's kappa, Fleiss' kappa, Cohen's weighted kappa.