Table 3 Complications of pregnancy
From: Very advanced maternal age and morbidity in Victoria, Australia: a population based study
|  | 30–34 yrs | 45+ yrs |  | ||||
|---|---|---|---|---|---|---|---|
n | % | n | % | OR | 95% CI | p-value | |
Pre-eclampsia | 1237 | 2.5% | 10 | 4.6% | 1.86 | (0.9, 3.6) | 0.052 |
Gestational diabetes | 2425 | 5.0% | 21 | 9.7% | 2.05 | (1.3, 3.3) | 0.0014 |
Antepartum haemorrhage | 1466 | 3.0% | 12 | 5.5% | 1.89 | (1.01, 3.5) | 0.0293 |
Placenta praevia | 479 | 1.0% | 10 | 4.6% | 4.88 | (2.4, 9.5) | <0.001 |
At least one of the above complications | 5030 | 10.3 | 43 | 19.8 | 2.16 | (1.5, 3.1) | <0.001 |
None of the above complications | 43879 | 89.7 | 174 | 80.2 | Â | Â | Â |
Multiple birth | 983 | 2.0% | 13 | 6% | 3.11 | (1.7, 5.6) | <0.001 |
Postpartum haemorrhage | 4641 | 9.5% | 21 | 9.7% | 1.02 | (0.6, 1.6) | 0.9247 |
Caesarean section | 15,683 | 32.1% | 120 | 55.3% | 2.62 | (2.0, 3.5) | <0.001 |