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KMID : 0362720160540110880
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Journal of the Korean Dental Association
2016 Volume.54 No. 11 p.880 ~ p.896
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Statistical methods for accessing agreement between repeated measurements in dental research
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Kim Ki-Yeol
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Abstract
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The comparison of the repeated measurements is often needed to see whether they agree sufficiently, when a measurement is repeated under identical conditions by different raters. Such investigations are often analyzed inappropriately, by using correlation coefficient. The purpose of this study is to introduce statistical methods for accessing the agreement of the repeated measurements, which include Bland-Altman plot, intra class correlation, Passing-Bablok regression and Cohen’s kappa coefficient, and to show how to execute them using examples.
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KEYWORD
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agreement, repeated measurements, dental research
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