Factors | Relative risk | 95% Confidence Interval | P value |
Referred of patients Yes No | 1.2 | 0.94 - 1.52 | <0.01 |
Body Mass Index 18 - 25 26 - 40 | 1.11 | 0.86 - 1.42 | <0.01 |
Genital bleeding Yes (n = 892) No (n = 4371) | 1.5 | 1.1 - 1.9 | <0.01 |
Prolonged labor Yes (n = 1135) No (n = 4128) | 1.38 | 1.05 - 1.81 | <0.01 |
Type of anesthesia General Loco-regional | 1.55 | 1.18 - 2.05 | >0.01 |
Context of caesarean Emergency (n = 4423) No emergency (n = 840) | 2.05 | 1.35 - 3.11 | <0.01 |
Type of skin incision Median incision (n = 647) Transversal incision (n = 4616) | 1.35 | 0.97 - 1.87 | >0.01 |
Blood loss Less than 1000 ml (n = 4112) More than 1000 ml (n = 1151) | 0.97 | 0.73 - 1.29 | >0.01 |
Length of caesarean Less than 60 minutes (n = 3845) More than 60 minutes (n = 1418) | 3.00 | 1.89 - 4.90 | <0.01 |