Table 1).
t test for continuous variables. χ2 (or Fisher exact) for proportions. Percentages or SDs in brackets
| Later clamping (n=236) | Immediate clamping (n=131) | p-value | |
|---|---|---|---|
| Gestation (weeks) | 29.6 (2.0) | 29.1 (2.2) | 0.030 |
| Birthweight (g) | 1454 (402) | 1362 (375) | 0.033 |
| Cesarean section (%) | 115/236 (48.7%) | 91/131 (70%) | 0.000 |
| Death (%) | 4/236 (1.7%) | 7/131 (5%) | 0.060 |
| 5-minute Apgar | 7.6 (1.6) | 6.8(1.8) | 0.000 |
| 5-minute Apgar <7 (%) | 50/236 (21.2%) | 58/131 (44%) | 0.000 |
| Delivery room ventilation (%) | 62/235 (26.4%) | 70/131 (53%) | 0.000 |
| Initial Hb (g/1) | 166 (20) | 156 (26) | 0.000 |
| BP support (%) | 19/235 (8.1%) | 32/131 (24%) | 0.000 |
| Max bilirubin (micromol/l) | 180 (44) | 170 (47) | 0.039 |
| Any RBC transfusion | 34/236 (14%) | 38/129 (29%) | 0.001 |
| Nosocomial infection (%) | 16/235 (6.8%) | 8/130 (6.2%) | 0.106 |
| Preterm brain injury (%) | 12/233 (5.2%) | 7/129 (5.4%) | 0.920 |
| Necrotizing enterocolitis (%) | 3/236 (1.3%) | 3/129 (2.3%) | 0.670 |