Table 1.
Maternal demographics.
| Characteristic | Azithromycin group n = 142 |
Erythromycin group n = 168 |
p |
|---|---|---|---|
| Maternal age (years) | 32 ± 5.3 (20-43) | 31.5 ± 5.8 (18-47) | 0.410∗ |
| Advanced maternal age | 49 (35) | 45 (27) | 0.104δ |
| Gestational age at diagnosis | 29.9 ± 1.76 (25-33) | 30.2 ± 1.71 (26-33) | 0.380∗ |
| Nulliparous | 108 (76.1) | 110 (65.5) | 0.042δ |
| BMI (kg/m2) | 32.8 ± 5.1 (21-48.9) | 33.86 ± 4.1 (20.8-43.9) | 0.282∗ |
| Pregestational diabetes | 15 (10.6) | 20 (11.9) | 0.153δ |
| Group β-streptococcus positive | 28 (19.7) | 38 (22.6) | 0.534δ |
| Hypertensive disorders in pregnancy | 29 (20.4) | 41 (24.4) | 0.403δ |
| Race | |||
| White | 60 (42.3) | 74 (44) | 0.832δ |
| Asian | 30 (21.1) | 31 (18.5) | 0.555δ |
| Hispanic | 37 (26.7) | 51 (30.4) | 0.486δ |
| Black | 14 (9.9) | 13 (7.1) | 0.509δ |
Data are presented as mean ± standard deviation (range) or n (%). δStatistics performed using X2 test. ∗Statistics performed using Welch two-sample t-test.