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Obstetric factors
| Obstetric factors |
Caesarean section |
Spontaneous vaginal delivery |
Total | p-value |
|---|---|---|---|---|
| n (%) | n (%) | |||
|
History of vaginal bleeding |
|
|
|
|
| Yes |
13 (86.7) |
2 (13.3) |
15 |
|
| No |
147 (48.2) |
158 (51.8) |
305 |
0.006 |
| Total |
160 |
160 |
320 |
|
|
Previous caesarean section |
|
|
|
|
| Yes |
80 (93.0) |
6 (7.0) |
86 |
|
| No |
80 (34.2) |
154 (65.8) |
234 |
< 0.001 |
| Total | 160 | 160 | 320 |
