Variables | Category | Marginal cord insertion | COR (95% CI) | AOR (95% CI) | |
---|---|---|---|---|---|
No | Yes | ||||
Maternal age | < 35 | 351 | 15 | 1 | 1 |
≥35 | 43 | 12 | 4.76 (2.7–11.58)*** | 2.24 (1.35–11.08)*** | |
Parity | Multiparous | 300 | 13 | 1 | 1 |
Primiparous | 94 | 14 | 2.54 (1.88–7.35) * * | 1.98 (1.37–8.69)** | |
Previous CD | No | 369 | 21 | 1 | 1 |
Yes | 25 | 6 | 4.97 (2.14–12.06)*** | 2.51 (1.43–10.21)* | |
IUCD | No | 367 | 20 | 1 | 1 |
Yes | 27 | 7 | 5.68 (2.32–12.27)*** | 2.22 (1.36–12.30)** | |
Chronic hypertension | No | 359 | 19 | 1 | 1 |
Yes | 35 | 8 | 3.46 (2.03–9.83)*** | 3.07 (1.66–9.76)** | |
Vaginal bleeding | No | 364 | 24 | 1 | 1 |
Yes | 20 | 3 | 2.11 (0.95–6.42) | 1.01 (0.53–6.55) | |
Placenta praevia | No | 380 | 24 | 1 | 1 |
Yes | 14 | 3 | 6.29 (2.20–18.27)* | 2.01 (0.14–12.39) |