Prognostic performance of the NICE traffic light system for detecting hospital admission
| Test performance for detecting children admitted to hospital | Sensitivity, % (95% CI) | Specificity, % (95% CI) | Positive predictive value, % | Negative predictive value, % |
|---|---|---|---|---|
| Red category only | 61.9 (53.3 to 70.0) | 69.1 (67.9 to 70.2) | 4.1 | 98.8 |
| Red or amber category | 97.8 (93.8 to 99.6) | 5.8 (5.2 to 6.4) | 2.2 | 99.2 |
NICE = National Institute for Health and Care Excellence.