Table 2.
Baseline characteristics of patient populations in the included studies.
| Characteristic | Chaboyer | Mark | Ruhstaller | Swift | Villers | Heine | Hyldig |
|---|---|---|---|---|---|---|---|
|
| |||||||
| Age | |||||||
| Intervention | 30.6 (5.5)a | 26.1 (4.2)b | 27 (8)a | 30.8 (6.0)b | -- | 30.35 (5.724)b | 32 (5)b |
| Control | 30.7 (5.0) | 29.5 (6.6) | 29 (10) | 29.4 (5.8) | 29.67 (4.953) | 32 (5) | |
|
| |||||||
| BMI (kg/m2) | |||||||
| Intervention | 35.7 (4.5)a | 53.8 (11.1)b | 36.1 (8.6)a | 37.7 (9.0)b | 48.2c | 46.25 (7.319)b | 34.7 (6.7)a |
| Control | 36.8 (5.8) | 51.3 (5.8) | 35.1 (9.5) | 33.6 (8.5) | 44.6 | 46.79 (5.608) | 33.9 (6.5) |
|
| |||||||
| Race* (n[%]) | |||||||
| White | -- | -- | 26 (21.8) | -- | -- | 27 (29.3) | |
| African American | 91 (76.4) | 64 (69.6) | |||||
| Other | 2 (1.7) | 1 (1.1) | |||||
|
| |||||||
| Gestational Age (weeks) | |||||||
| Intervention | -- | 37.8 (2.9)b | 39 (2)a | 39 (2.6)a | -- | 38.08 (1.983)b | |
| Control | 36.9 (3.8) | 39 (2) | 39 (4.3) | 37.87 (1.976) | |||
|
| |||||||
| Planned CS (%) | |||||||
| Intervention | 100 | 52.4 | 0 | 52 | |||
| Control | 100 | 77.1 | 0 | 53 | |||
|
| |||||||
| Comorbidities (%) | |||||||
|
| |||||||
| Any | |||||||
| Intervention | 68.1 | -- | -- | 100 | -- | -- | |
| Control | 69.7 | 100 | |||||
|
| |||||||
| Diabetes | |||||||
| Intervention | 29.5 | 35 | 8.2 | 19.1 | -- | -- | 19 |
| Control | 27.9 | 27.1 | 7.0 | 16.3 | 19 | ||
|
| |||||||
| Smoker | |||||||
| Intervention | 6.8 | 14.3 | 8.2 | -- | -- | -- | 8 |
| Control | 23.3 | 16.7 | 5.2 | 9 | |||
|
| |||||||
| Multiparous | |||||||
| Intervention | -- | 61.9 | 62.3 | -- | -- | -- | |
| Control | 70.8 | 60.3 | |||||
|
| |||||||
| Previous CS | |||||||
| Intervention | 84 | -- | 18.0 | 43.6 | -- | -- | |
| Control | 93 | 19.0 | 36.8 | ||||
|
| |||||||
| Chorioamnionitis | |||||||
| Intervention | -- | 0 | 16.4 | 15.4 | 10 | -- | |
| Control | 4.2 | 12.1 | 2.9 | 1 | |||
|
| |||||||
| Surgical characteristics | |||||||
|
| |||||||
| Length of surgery, m | |||||||
| Intervention | -- | 76.3 (18.8)b | 61 (22)a | 64.6 (24.2)b | -- | -- | 37 (15)a |
| Control | 63.9 (21.6) | 62 (18) | 60.3 (20.1) | 36 (17) | |||
|
| |||||||
| Closed with staples (%) | |||||||
| Intervention | -- | 4.8 | -- | 3 | -- | -- | 61 |
| Control | 85.4 | 12 | 60 | ||||
Note: Tuuli, and Stitely did not provide baseline characteristics.
*
Race was reported as a combined term for the intervention and control groups.
a
Values reported as median(IQR)
b
Values reported as mean (SD)
c
Values reported as median
Abbreviations: BMI, body mass index; CS, cesarean section; m, minutes; IQR, interquartile range; SD, standard deviation.