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Table 2 Table of Notation

From: Comparative diagnostic accuracy studies with an imperfect reference standard – a comparison of correction methods

Notation

Meaning

SnIT

Sensitivity of the index test

SpIT

Specificity of the index test

SnRS

Sensitivity of the reference standard

SpRS

Specificity of the reference standard

Sncor

Corrected sensitivity of index test

Spcor

Corrected specificity of index test

\( \hat{P} \)

Estimated population prevalence

J

Youden’s index, SnRS + SpRS − 1

Prr

Sample prevalence