Table 2 Background characteristics among women with and without retained placenta
Maternal Characteristics | Non-retained Placenta (n = 31) | Retained Placenta (n = 29) | p-valuea | ||
|---|---|---|---|---|---|
Age, median (IQR) | 30 | 6 | 31 | 5 | ns |
Age ≥35, n (%) | 4 | 12.9% | 5 | 17.2% | ns |
Previous parity, n (%) | |||||
None | 17 | 54.8% | 23 | 79.3% | ref |
1 | 11 | 35.5% | 5 | 17.2% | ns |
>/=2 | 3 | 9.7% | 1 | 3.4% | ns |
Previous miscarriages, n (%) | |||||
None | 27 | 87.1% | 21 | 72.4% | ref |
1 | 2 | 6.5% | 6 | 20.7% | ns |
≥ 2 | 2 | 6.4% | 2 | 6.9% | ns |
Previous abortions, n (%) | |||||
None | 23 | 74.2% | 22 | 75.9% | ref |
1 or 2 | 5 | 16.1% | 4 | 13.8% | ns |
≥ 2 | 3 | 9.7% | 3 | 10.3% | ns |
Previous cesarean section, n (%) | 1 | 3.2% | 3 | 10.3% | ns |
Previous retained placenta, n (%) | 2 | 6.5% | 0 | 0 | nc |
Assisted reproductive therapy, n (%) | 2 | 6.5% | 1 | 3.4% | ns |