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Table 3 Combined measures of overall case management success

From: Composite endpoints for malaria case-management: not simplifying the picture?

Measures of overall success Formula
Youdens index PMR+NMR - 1
Likelihood ratio for positives (LR+) PMR/[1 – NMR]
Likelihood ratio for negatives (LR-) [1 – PMR]/NMR
Diagnostic Odds ratio [ PMR/(1-PMR)]/[(1-NMR)/NMR]
  1. PMR: positive management rate; NMR: negative management rate.