Table 4 Sensitivity, specificity, and predictive values of risk score at different cut-points in the derivation cohort
| Â | Risk score cut-point | ||||
|---|---|---|---|---|---|
≥ 11 | ≥ 20 | ≥ 27 | ≥ 32 | ≥ 40 | |
No. of children (% of total [6203]) | 5654 (91.2%) | 4567 (73.4%) | 3015 (48.6%) | 1632 (26.3%) | 324 (5.2%) |
Sensitivity | 96.7% | 85.0% | 63.2% | 38.5% | 7.9% |
Specificity | 27.3% | 47.0% | 67.2% | 84.3% | 96.8% |
Positive predictive value | 34.6% | 38.9% | 43.3% | 49.3% | 49.9% |
Negative predictive value | 90.6% | 86.6% | 81.2% | 77.0% | 72.4% |