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Screening tool sensitivity, specificity, PPV, NPV and NNT (Phase 2)
| Validation sample |
Sensitivity (95% CI) |
Specificity (95% CI) |
PPV (95% CI) |
NPV (95% CI) |
NNT (95% CI) |
|---|---|---|---|---|---|
| OPD and OVC | 87.8 (80.9 – 92.5) | 62.6 (54.8 – 69.7) | 2.4 (1.5 – 3.6) | 99.8 (99.6 – 99.9) | 43 (28 – 67) |
| OPD only | 88.1 (80.8 – 92.8) | 69.0 (61.9 – 75.3) | 3.7 (2.7 – 5.0) | 99.8 (99.6 – 99.9) | 28 (20 - 38) |
| OVC only | 83.3 (5.7 – 99.8) | 45.6 (32.6 – 59.2) | 0.30 (0.1 – 0.8) | 99.9 (99.2 – 100) | 338 (128 – 897) |
