Positive predictive values (PPV) and likelihood ratios (LR) associated with model predicting death before discharge
| “Test” | Died | Survived | PPV | LR (95% CI) |
|---|---|---|---|---|
| CRIB72 > 4 plus IVH grade 3 or 4 | 9 | 5 | 64% | 9.8 (3.5–27.9) |
| CRIB72 = 2–4 plus IVH grade 3 or 4 | 3 | 3 | 50% | 5.5 (1.1–26.2) |
| CRIB72 = 1 plus IVH grade 3 or 4 | 1 | 6 | 14% | 0.91 (0.11–7.4) |
| CRIB72 = 0 plus IVH grade 3 or 4 | 0 | 0 | ||
| CRIB72 > 4 plus IVH grade 0, 1 or 2 | 24 | 44 | 35% | 3.0 (2.0–4.3) |
| CRIB72 = 2–4 plus IVH grade 0, 1 or 2 | 5 | 74 | 6% | 0.37 (0.16–0.86) |
| CRIB72 = 1 plus IVH grade 0, 1 or 2 | 2 | 74 | 3% | 0.15 (0.04–0.58) |
| CRIB72 = 0 plus IVH grade 0, 1 or 2 | 0 | 34 | 0% | 0.08 (0.01–1.3) |