Observed and predicted probabilities of survival with cerebral performance category (CPC) 1–2 based on prediction score
| Probability of survival with CPC 1–2 | Model scores | Derivation cohort (n=129) | Validation cohort (n=31) | |
| n/N (%) | Predicted % survival with CPC 1–2 based on model calculation (95% CI) | n/N (%) | ||
| <5% | 0–1 | 0/19 (0) | 2.95 (1.16 to 3.23) | 0/4 |
| 5%–25% | 2–3 | 6/48 (12.50%) | 11.00 (5.71 to 19.30) | 0/8 |
| >25%–45% | 4 | 9/25 (35.00%) | 30.78 (30.78 to 32.21) | 3/8 (37.50%) |
| >45%–65% | 5 | 7/16 (43.75%) | 55.15 (55.15 to 57.41) | 2/4 (50.00%) |
| >65% | 6 | 17/21 (80.95%) | 77.72 | 6/7 (85.71%) |
Sensitivity analysis.