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... > social science subjects > health and social care > medical science > medicine > clinical medicine > medical decision making > biostatistics and clinical epidemiology > index test
... > other subjects > natural sciences > life sciences > medical science > medicine > clinical medicine > medical decision making > biostatistics and clinical epidemiology > index test

Preferred term

index test  

Definition

  • A variety of methods have been proposed to examine the accuracy of diagnostic (or prognostic) tests when data are presented in a 2 × 2 format (see Table 1). Rule-in (true positive, or TP) and rule-out (true negative, or TN) accuracy are usually best considered separately, but there are circumstances in which a summary of the overall performance is needed. [Source: Encyclopedia of Medical Decision Making; Index Test]

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https://concepts.sagepub.com/social-science/concept/index_test

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