From: Surgical site infections after cesarean delivery: epidemiology, prevention and treatment
Variables | Relative risk or odds ratios | References |
---|---|---|
Subcutaneous hematoma | 11.6 | 8 |
Chorioamnionitis | 5.6-10.6 | 21-23 |
American Society of Anesthesiologists class of 3 or greater | 5.3 | 21 |
Tabacco | 5.3 | 22 |
Incision length > 16.6 cm | 4.9 | 24 |
Prenatal visit <7 | 4 | 25 |
Body Mass Index >35Â kg/m2 | 3.7 | 26 |
Corticosteroid | 3.1 | 24 |
Body Mass Index >30Â kg/m2 | 2.0-2.8 | 21, 23, 24, 26-28 |
Subcutaneous tissue thickness > 3 cm | 2.8 | 29 |
Second stage (vs. first stage) | 2.8 | 30 |
Teaching service | 2.7 | 8 |
No antibiotic prophylaxis | 2.6 | 25 |
Pregestational Diabetes | 1.4-2.5 | 26, 28, 31 |
Operating time ≥ 38 min | 2.4 | 27 |
Hypertensive disease/Preeclampsia | 1.7-2.3 | 21, 28 |
Duration of labor >12Â h | 2.0 | 23 |
Nulliparity | 1.8 | 21 |
Twin | 1.6 | 28 |
Premature rupture of membrane | 1.5 | 28 |
Gestational diabetes | 1.5 | 32 |
Blood loss (every 100Â ml) | 1.3 | 21 |
Previous cesarean delivery | 1.3 | 32 |
Emergency delivery | 1.3 | 28 |
Rupture of mambranes (each hour) | 1.02 | 25 |