Table 1.
Characteristics of infants by predictors and outcome: n (%) and mean (SD) for birth weight
| Predictor | Outcome | Total | ||
|---|---|---|---|---|
| Death | NDI | NDI-free | ||
| 1,584 (40.3) | 1,104 (28.1) | 1,239 (31.6) | 3,927 (100) | |
| Birth weight (grams) | 630.5 (122.7) | 688.3 (116.4) | 718.6 (117.1) | 674.5 (125.1) |
| Gestational age (weeks) | ||||
| 22–23 | 541 (34.2) | 158 (14.3) | 119 (9.6) | 818 (20.8) |
| 24 | 609 (38.5) | 437 (39.6) | 423 (34.1) | 1,469 (37.4) |
| 25 | 434 (27.4) | 509 (46.1) | 697 (56.3) | 1,640 (41.8) |
| Female | 666 (42.1) | 516 (46.7) | 677 (54.6) | 1,859 (47.3) |
| Singleton birth | 1,129 (71.3) | 831 (75.3) | 943 (76.1) | 2,903 (73.9) |
| Antenatal corticosteroids | 1,238 (78.2) | 968 (87.7) | 1,133 (91.4) | 3,339 (85.0) |