Table 1.
Clinical and labor characteristics of the study population
| Characteristic | Standard wound care (n = 58) n (%) | NPWT (n = 61) n (%) | p-Value |
|---|---|---|---|
| Age, ya | 29 (24–34) | 27 (24–32) | 0.34 |
| Race | |||
| Black | 45 (77.6) | 46 (75.4) | 0.87 |
| White | 12 (20.7) | 14 (23.0) | |
| Asian | 1 (1.7) | 0 | |
| Hawaiian/Pacific Islander | 0 | 1 (1.6) | |
| Insurance | |||
| Private | 23 (39.7) | 20 (32.8) | 0.77 |
| Medicaid | 32 (55.2) | 39 (63.9) | |
| Medicare | 1 (1.7) | 1 (1.6) | |
| Unknown | 2 (3.5) | 1 (1.6) | |
| Nulliparous | 23 (39.7) | 23 (37.7) | 0.85 |
| BMI, initial prenatal visit (kg/m2)a | 35.1 (32.6–42.1) | 36.1 (33.2–41.8) | 0.60 |
| Tobacco use | 3 (5.2) | 5 (8.2) | 0.72 |
| Chronic hypertension | 7 (12.1) | 9 (14.8) | 0.79 |
| Gestational diabetes | 4 (7.0) | 5 (8.2) | 0.99 |
| History of cesarean delivery | 11 (19.0) | 11 (18.0) | 0.99 |
| History of vaginal delivery | 20 (30.5) | 19 (31.1) | 0.85 |
| Gestational age at delivery, wka | 39 (38–40) | 39 (38–40) | 0.45 |
| Induction of labor | 44 (75.9) | 44 (72.1) | 0.68 |
| Length of labor, ha | 18.5 (11.2–26.7) | 22.3 (12.4–27.6) | 0.53 |
| Chorioamnionitis | 7 (12.1) | 10 (16.4) | 0.60 |
Abbreviations: BMI, body mass index; NPWT, negative pressure wound therapy.
a
Data are presented as median (interquartile range).