Perinatal outcomes according to type of obstetric care
| Private patients n=5479 (%) | Public patients n=24 574 (%) | OR (95% CI) | Adjusted OR† (95% CI) | |
|---|---|---|---|---|
| Gestational age (weeks), mean (SD) | 39.4 (1.8) | 39.6 (2.0) | – | – |
| Birth weight (grams), mean (SD) | 3498 (550) | 3428 (595) | – | – |
| Preterm birth <37 weeks (%) | 268 (4.9) | 1448 (5.9) | 0.82 (0.72 to 0.94)* | 0.96 (0.85 to 1.17) |
| Very preterm birth <32 weeks (%) | 53 (1.0) | 322 (1.3) | 0.74 (0.55 to 0.99)* | 0.82 (0.59 to 1.16) |
| Birth weight <10th centile (%) | 446 (8.1) | 3298 (13.4) | 0.57 (0.52 to 0.63)* | 0.74 (0.65 to 0.83)* |
| Male infant (%) | 2871 (52.4) | 12 612 (51.3) | 1.04 (0.99 to 1.11) | 1.05 (0.98 to 1.13) |
| Apgar score <7 at 5 min (%) | 37 (0.7) | 209 (0.9) | 0.81 (0.57 to 1.15) | 0.76 (0.51 to 1.14) |
| Admitted to neonatal unit (%) | 723 (13.2) | 3549 (14.5) | 0.90 (0.83 to 0.98)* | 0.94 (0.85 to 1.04) |
| Congenital abnormality (%) | 29 (0.5) | 189 (0.8) | 0.69 (0.46 to 1.02) | 0.51 (0.33 to 0.80)* |
| Aneuploidy (Trisomy/XO) (%) | 11 (0.2) | 42 (0.2) | 1.18 (0.61 to 2.28) | 0.62 (0.28 to 1.35) |
| Perinatal death (%) | 24 (0.4) | 155 (0.6) | 0.69 (0.45 to 1.07) | 0.79 (0.47 to 1.32) |
*p<0.05.
†Adjusted for maternal age, marital status, SE group, nationality, parity, smoker, medical disorders, psychiatric disorders, body mass index, assisted conception, previous perinatal death, antenatal complication.