TABLE 3.
Test results, sensitivity, and specificity for Pediatric Assessment Triangle–defined category of illness
| N | TP | FP | TN | FN | Sensitivity % | 95% CI | Specificity % | 95% CI | |
|---|---|---|---|---|---|---|---|---|---|
| Instability | 58 | 292 | 178 | 50 | 8 | 97.3 | 94.6-98.8 | 22.9 | 17.0-30.0 |
| Respiratory distress | 290 | 224 | 66 | 216 | 22 | 91.1 | 86.6-94.2 | 76.6 | 71.1-81.3 |
| Respiratory failure | 14 | 3 | 11 | 505 | 9 | 25.0 | 6.7-57.2 | 97.9 | 96.1-98.9 |
| Shock | 109 | 20 | 89 | 412 | 7 | 74.1 | 53.4-88.1 | 82.2 | 78.5-85.4 |
| CNS/metabolic disturbance | 49 | 17 | 32 | 459 | 20 | 46.0 | 30.0-62.9 | 93.5 | 90.8-95.4 |
| Cardiopulmonary failure | 11 | 3 | 8 | 516 | 1 | 75.0 | 21.9-98.7 | 98.5 | 96.9-99.3 |
CI, Confidence interval; CNS, central nervous system; FN, false negatives; FP, false positives; N, number of subjects; TN, true negatives; TP, true positives.