Comparison of predicted death probability versus actual death
| Gestational age | Actual death | Predicted death probability, n (%) | |||||
| <20% | 20%–39.9% | 40%–59.9% | 60%–79.9% | ≥80% | Total | ||
| 22 weeks | Yes | NA | NA | NA | 1 (25) | 6 (100) | 7 (70) |
| No | NA | NA | NA | 3 (75) | NA | 3 (30) | |
| Total | NA | NA | NA | 4 (100) | 6 (100) | 10(100) | |
| 23 weeks | Yes | 1 (100) | 1 (50) | 19 (46.3) | 23 (53.5) | 3 (100) | 47 (52.2) |
| No | NA | 1 (50) | 22 (53.7) | 20 (46.5) | NA | 43 (47.8) | |
| Total | 1 (100) | 2 (100) | 41(100) | 43(100) | 3 (100) | 90(100) | |
| 24 weeks | Yes | 8 (57.1) | 58 (40.6) | 55 (56.1) | 9 (69.2) | NA | 130 (48.5) |
| No | 6 (42.9) | 85 (59.4) | 43 (43.9) | 4 (30.8) | NA | 138 (51.5) | |
| Total | 14(100) | 143(100) | 98(100) | 13(100) | NA | 268(100) | |
| 25 weeks | Yes | 46 (24.9) | 45 (32.8) | 12 (52.2) | 1 (100) | NA | 104 (30.1) |
| No | 139 (75.1) | 92 (67.2) | 11 (47.8) | NA | NA | 242 (69.9) | |
| Total | 185(100) | 137(100) | 23(100) | 1 (100) | NA | 346(100) | |
| 22–25 weeks | Yes | 55 (27.5) | 104 (36.9) | 86 (53.1) | 34 (55.7) | 9 (100) | 288 (40.3) |
| No | 145 (72.5) | 178 (63.1) | 76 (46.9) | 27 (44.3) | NA | 426 (59.7) | |
| Total | 200(100) | 282(100) | 162(100) | 61(100) | 9 (100) | 714(100) | |