Jan 21, 2009 · In 1993, Byrt et al[9] proposed a bias-adjusted and prevalence-adjusted kappa (PABAK) that assumes fifty percent prevalence of the condition, ...
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The prevalence-adjusted and bias-adjusted kappa (PABAK) was 0.65 for the entire group. However, PABAK was only 0.04 when the subgroup with HCC (n = 70) was ...
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The PABAK, which is calculated from the observed proportion of agreement, is 0.90. 2X2 TABLE. When the KAPPA option is used in a PROC FREQ to calculate a kappa ...
In this paper, new indices that provide independent measures of bias and prevalence, as well as of observed agreement, are defined and a simple formula is ...
Perhaps the most significant limitation to the use of Prevalence Adjusted Bias Adjusted Kappa (PABAK), and Cohen's kappa, is that they are only appropriate for ...
The kappa coefficient that results is referred to as PABAK (prevalence-adjusted bias-adjusted kappa). Table 6A shows data from Kilpikoski et al9 for ...
Mar 23, 2018 · Hello, I am trying to calculate PABAK in stata. Online I have only found code for calculating this in SAS. Does anyone know of a way to ...
Jan 21, 2009 · The purpose of this study is to demonstrate the performance of Kappa and PABAK, and assess the agreement between hospital discharge ...
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pabak. a data frame with the prevalence and bias corrected kappa statistic and the lower and upper bounds of the confidence interval for the prevalence and bias ...