Distribution of infants ⩽ 32 weeks gestation between small and large units subdivided by birthweight and gestation - non-transfers only - categorised by need for ventilation
| Large | Small | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ventilated | Not ventilated | Ventilated | Not ventilated | ||||||||
| Died (%) | Died (%) | Died (%) | Died (%) | ||||||||
| Gestation (weeks) | |||||||||||
| ⩽ 22 | 2 | 2 (100) | 4 | 3 (75.0) | 0 | 3 | 3 (100) | ||||
| 23-24 | 43 | 33 (76.7) | 2 | 2 (100) | 33 | 32 (97.0) | 0 | ||||
| 25-26 | 99 | 47 (47.5) | 3 | 2 (100) | 33 | 19 (57.6) | 1 | 0 (0) | |||
| 27-28 | 123 | 37 (30.1) | 20 | 0 (0) | 83 | 22 (26.5) | 6 | 0 (0) | |||
| 29-30 | 140 | 18 (12.9) | 65 | 0 (0) | 118 | 10 (8.5) | 82 | 2 (2.4) | |||
| 31-32 | 130 | 15 (11.5) | 317 | 0 (0) | 137 | 8 (5.8) | 340 | 0 (0) | |||
| Birthweight (g) | |||||||||||
| <500 | 4 | 2 (50.2) | 2 | 2 (100) | 2 | 2 (100) | 3 | 3 (100) | |||
| 500-749 | 77 | 52 (67.5) | 6 | 5 (83.3) | 43 | 35 (81.4) | 0 | ||||
| 750-999 | 116 | 51 (44.0) | 10 | 1 (10.0) | 48 | 21 (42.9) | 14 | 0 (0) | |||
| 1000-1249 | 110 | 20 (18.2) | 45 | 0 (0) | 98 | 16 (16.3) | 53 | 1 (1.9) | |||
| 1250-1499 | 106 | 10 (9.4) | 83 | 0 (0) | 87 | 8 (9.2) | 98 | 1 (1.0) | |||
| 1500+ | 124 | 17 (13.7) | 265 | 0 (0) | 125 | 9 (7.2) | 264 | 0 (0) | |||
| Total | 537 | 152 (28.3) | 411 | 404 | 91 (22.5) | 432 | 5 (1.2) | ||||