Table 1.
Demographic characteristics, comorbidities and current obstetric history of the study participants (n = 1704).
| Infected Cohort | Vaginal + Operative Vaginal | C-Section | p-Value | ||
|---|---|---|---|---|---|
| Number | 1704 | 1248 (73.2) | 456 (26.8) | ||
| Maternal Characteristics | |||||
| Maternal age (years; median/IQR) | 32 (28–36) | 32 (27–36) | 34 (29–37) | <0.001 * | |
| Age Range | 18–24 years | 241/1689 (14.3) 825/1689 (48.8) 623/1689 (36.9) |
188 (15.2) 627 (50.6) 423 (34.2) |
53 (11.8) 198 (43.9) 200 (44.3) |
0.001 * |
| 25–34 years | |||||
| 35–49 years | |||||
| Ethnicity | White European | 947/1699 (55.7) 514/1699 (30.3) 44/1699 (2.6) 50/1699 (2.9) 144/1699 (8.5) |
689/1245 (55.3) 374/1245 (30.0) 34/1245 (2.7) 39/1245 (3.1) 109/1245 (8.8) |
258/454 (56.8) 140/454 (30.8) 10/454 (2.2) 11/454 (2.4) 35/454 (7.7) |
0.816 |
| Latino Americans | |||||
| Black non-Hispanic | |||||
| Asian non-Hispanic | |||||
| Arab | |||||
| Nulliparous | 616/1688 (36.5) | 431/1233 (35.0) | 185/455 (40.7) | 0.031 * | |
| Smoking a | 160 (9.7) | 105 (8.7) | 55 (12.7) | 0.016 * | |
| Maternal Comorbidities | |||||
| Obesity (BMI > 30 kg/m2) | 317 (18.6) | 203 (16.3) | 114 (25.0) | <0.001 * | |
| Thrombophilia | 28 (1.6) | 15 (1.2) | 13 (2.9) | 0.018 * | |
| Chronic kidney disease | 6 (0.4) | 2 (0.2) | 4 (0.9) | 0.047 * | |
| Diabetes mellitus | 36 (2.1) | 20 (1.6) | 16 (3.5) | 0.015 * | |
| Current Obstetric History | |||||
| Multiple pregnancy | 31 (1.8) | 12 (1.0) | 19 (4.2) | <0.001 * | |
| In vitro fertilization | 82 (4.8) | 37 (3.0) | 45 (9.9) | <0.001 * | |
| Intrauterine growth restriction | 61 (3.6) | 34 (2.7) | 27 (5.9) | 0.002 * | |
| Pregnancy-induced hypertension b | 42 (2.5) | 20 (1.6) | 22 (4.8) | <0.001 * | |
| High-risk pre-eclampsia screening | 90/1484 (6.1) | 58/1095 (5.3) | 32/389 (8.2) | 0.038 * | |
Data shown as n (% of total), except otherwise indicated. * Statistically significant differences. BMI: body mass index; HBP: high blood pressure. a Current smokers + ex-smokers. b Hypertension + pre-eclampsia.