Table 5.
Rates of Infection Following Cesarean Delivery
| Study | Type | Surgical Site Infection Rate (%) | Endometritis Rate (%) | |
| Couto RC et al35 | Prospective observational | In-hospital surveillance | 32/951 (3.4) | — |
| Postdischarge surveillance | 196/951 (20.6) | — | ||
| Hebert PR et al36 | Retrospective cohort | 588/7441 (7.9) | — | |
| Mah MW et al37 | Prospective surveillance | 20/735 (2.7) | 15/735 (2.0) | |
| Allen VM et al38 | Retrospective cohort | Absence of labor | 11/721 (1.5) | — |
| Presence of labor | 32/1480 (2.2) | — | ||
| Robinson HE et al19 | Retrospective population-based cohort | Nonobese | 633/14,666 (4.3) | 341/14,666 (2.3) |
| Moderately obese | 129/2858 (4.5) | 44/2858 (1.5) | ||
| Severely obese | 30/311 (9.6) | 5/311 (1.6) | ||
| Olsen MA et al34 | Retrospective case control | 81/1695 (4.8) | — | |
| Asch DA et al39 | Retrospective | 65,103/1385,180 (4.7) | — | |
| Dumas AM et al40 | Prospective surveillance | Joel-Cohen | 34/2909 (1.2) | 9/2909 (0.3) |
| Pfannenstiel | 29/2214 (1.3) | 18/2214 (0.8) | ||
| CAESAR26 | Randomized control trial | Single-layer uterine closure | 188/1483 (12.7) | 63/1483 (4.2) |
| Double-layer uterine closure | 188/1496 (12.6) | 62/1496 (4.1) | ||
| Closure of pelvic peritoneum | 182/1496 (12.2) | 59/1496 (3.9) | ||
| Nonclosure of pelvic peritoneum | 200/1499 (13.3) | 66/1499 (4.4) | ||
| Liberal use of drain | 186/1398 (13.3) | 65/1398 (4.6) | ||
| Restricted use of drain | 178/1398 (12.7) | 53/1398 (3.8) | ||
| Cardoso Del Monte and Pinto Neto41 | Prospective observational cohort | 44/187 (23.5) | — | |
| Rauk PN42 | Prospective surveillance | 20/441 (4.5) | 13/441 (2.9) | |
| Riley MM et al43 | Prospective observational | 26/1286 (2.0) | 26/1286 (2.0) | |
| Smaill and Gyte44 | Cochrane review | Before cord clamp | 129/2706 (4.8) | 103/2367 (4.3) |
| After cord clamp | 107/3751 (2.8) | 302/4139 (7.3) | ||
| Timing not specified | 2/193 (1.0) | 16/215 (7.4) | ||
| Thurman AR et al45 | Retrospective chart review | 56/658 (8.5) | 36/658 (5.4) | |
| Total | 68,424/1,440,104 (4.8) | 1298/41,569 (3.1) |
CAESAR, Caesarean Section Surgical Techniques: A Randomised Factorial Trial.