Maternal age group, years | Adjusted x 2, P | ||||||
---|---|---|---|---|---|---|---|
≤29 | 30–34 | ≥35 | |||||
(n = 702) | (n = 677) | (n = 368) | |||||
n | % | n | % | n | % | ||
Maternal hypertensiona | 30 | 4.3 | 41 | 6.1 | 44 | 12.0 | <0.001 |
PROM | 171 | 24.4 | 157 | 23.2 | 90 | 24.5 | 0.85 |
Fetal growth impairment | 17 | 2.4 | 13 | 1.9 | 10 | 2.7 | 0.68 |
Preterm birth (<37 weeks) | 32 | 4.5 | 35 | 5.2 | 32 | 8.7 | <0.05 |
Low birth weight (<2500 g) | 77 | 10.1 | 70 | 10.3 | 50 | 13.7 | 0.11 |
Instrumental vaginal delivery | 53 | 7.6 | 59 | 8.7 | 43 | 11.7 | 0.08 |
Elective CS | 29 | 4.1 | 46 | 6.8 | 38 | 10.3 | <0.01 |
Emergency antepartum CS | 16 | 2.3 | 25 | 3.7 | 24 | 6.5 | <0.05 |
Intrapartum CS | 44 | 6.3 | 47 | 6.9 | 36 | 9.8 | 0.20 |