Search results with tag "The kappa statistic"
Understanding Interobserver Agreement: The Kappa Statistic
web2.cs.columbia.eduagree or disagree simply by chance. The kappa statistic (or kappa coefficient) is the most commonly used statistic for this purpose. A kappa of 1 indicates perfect agreement, whereas a kappa of 0 indicates agree-ment equivalent to chance. A limitation of kappa is that it is affected by the prevalence of the finding under observation.
Understanding Interobserver Agreement: The Kappa Statistic
www1.cs.columbia.eduIn reading medical literature on diagnosis and inter-pretation of diagnostic tests, our attention is generally focused on items such as sensitivity, specificity, pre-dictive values, and likelihood ratios. These items ad-dress the validity of the test. But if the people who ac-tually interpret the test cannot agree on the interpreta-
Documentation of Mandated Discharge Summary …
www.ahrq.govThe kappa statistic and percent agreements were calculated to measure abstraction reliability. 17, 18 . Results . Discharge Summary Characteristics and Joint Commission Component Definitions . A total of 599 eligible subjects were identified; 44 percent of …