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Table 1 Diagnostic statistics with binary definitions of translational success.

From: Animal to human translation: a systematic scoping review of reported concordance rates

 

Human test

Positive (HP)

Negative (HN)

Animal test

  

 Positive (AP)

TP

FP

 Negative (AN)

FN

TN

Sensitivity = TP/HP

Specificity = TN/HN

Positive predictive value (PPV) = TP/AP

Negative predictive value (NPV) = TN/AN

Accuracy = (TP + TN)/(TP + FP + FN + TN)

  1. AN animal negative, AP animal positive, FN false negative, FP false positive, HN human negative, HP human positive, TN true negative, TP true positive