Table 2 Performance of the PECARN clinical decision rules by age and combinated
ciTBI | Sensitivity | Specificity | Negative predictive value | Positive predictive value | ||
|---|---|---|---|---|---|---|
PECARN ciTBI risk group | Yes | No | % (95 % CI) | % (95 % CI) | % (95 % CI) | % (95 % CI) |
Children <2 years | ||||||
Intermediate or high risk | 3 | 151 | 100 (29–100) | 64 (59–69) | 100 (99–100) | 2 (0–6) |
Very low risk | 0 | 267 | ||||
Children ≥2 years | ||||||
Intermediate or high risk | 6 | 298 | 100 (54–100) | 72 (69–75) | 100 (99–100) | 2 (1–4) |
Very low risk | 0 | 774 | ||||
Overall | ||||||
Intermediate or high risk | 9 | 449 | 100 (66–100) | 70 (68–72) | 100 (99–100) | 2 (1–4) |
Very low risk | 0 | 1041 | ||||