From: External validation of a prehospital risk score for critical illness
Prehospital risk score threshold | |||
---|---|---|---|
Operating characteristics | 1 | 2 | 3 |
Sensitivity, 95 % CI | 97.6 (96.8–98.3) | 62.9 (60.7–65.1) | 36.9 (34.8–39.1) |
Specificity, 95 % CI | 17.1 (16.7–17.4) | 72.7 (72.3–73.1) | 92.2 (91.9–92.4) |
Negative predictive value, 95 % CI | 99.3 (99.1–99.5) | 97.6 (97.5–97.8) | 96.9 (96.7–97.0) |
Positive predictive value, 95 % CI | 5.3 (5.1–5.5) | 9.9 (9.3–10.4) | 18.3 (17.1–19.5) |