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Table 1 Sample 2 × 2 contingency table used to report cross-classification of subjects

From: %diag_test: a generic SAS macro for evaluating diagnostic accuracy measures for multiple diagnostic tests

 

Reference test

Diagnostic test

Subjects with disease

Subjects without disease

Total

Positive

TP = a

FP = b

TP + FP = n1

Negative

FN = c

TN = d

FN + TN = n2

Total

TP + FN = m1

FP + TN = m2

Total = n

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BMC Medical Informatics and Decision Making

ISSN: 1472-6947

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