Perinatal characteristic | Died/total (%) | Number missing | Unadjusted OR (95% CI) | p Value | |
---|---|---|---|---|---|
Yes | No | ||||
ROM, rupture of membranes. | |||||
Previous perinatal death | 32/329 (10) | 330/4690 (7) | 694 | 1.42 (0.97 to 2.09) | 0.07 |
Previous preterm baby | 65/822 (8) | 297/4231 (7) | 660 | 1.14 (0.86 to 1.50) | 0.4 |
Premature ROM | 76/1141 (7) | 291/4151 (7) | 421 | 0.95 (0.73 to 1.23) | 0.7 |
Prolonged premature ROM | 85/1307 (7) | 305/4406 (7) | 0 | 0.94 (0.73 to 1.20) | 0.6 |
Preterm labour | 257/3702 (7) | 132/2005 (7) | 6 | 1.06 (0.83 to 1.32] | 0.6 |
Antepartum haemorrhage | 94/1293 (7) | 276/3950 (7) | 470 | 1.04 [0.82 to 1.33) | 0.7 |
No antenatal steroids | 310/4636 (7) | 69/858 (8) | 219 | 0.82 (0.62 to 1.08) | 0.2 |
Singleton | 295/4151 (7) | 95/1562 (6) | 0 | 0.85 (0.67 to 1.08) | 0.2 |
Maternal age | 0 | 0.7 | |||
<20 years | 44/593 (7) | 1.09 (0.78 to 1.52) | |||
20−35 years | 276/4033 (7) | 1.00 | |||
>35 years | 70/1087 (6) | 0.94 (0.71 to 1.23) | |||
Mode of delivery | 161 | 0.2 | |||
Vaginal/instrument | 159/2198 (7) | 1.00 | |||
Caesarean, in labour | 82/1402 (6) | 0.80 (0.60 to 1.05) | |||
Caesarean, no labour | 138/1957 (7) | 0.97 (0.77 to 1.23) |