Table 1.
Characteristics of study cohort by chorioamnionitis exposure groups.
| Characteristic, n (%) | Subclinical Chorioamnionitis n=336 | Clinical Chorioamnionitisa n=59 | No Clinical or Subclinical Chorioamnionitis n=976 |
|---|---|---|---|
| Maternal Age (years) | |||
| 18 to <30 | 134 (39.9) | 25 (42.4) | 376 (38.5) |
| 30 to <35 | 97 (28.9) | 21 (35.6) | 321 (32.9) |
| >35 | 105 (31.3) | 13 (22.0) | 279 (28.6) |
| Raceb | |||
| White | 167 (49.7) | 27 (45.8) | 470 (48.2) |
| Asian or Pacific Islander | 32 (9.5) | 8 (13.6) | 93 (9.5) |
| Black | 10 (3.0) | - | 58 (5.9) |
| More than 1 Race or Other | 122 (36.3) | 22 (37.3) | 344 (35.2) |
| Ethnicityc | |||
| Hispanic | 156 (46.4) | 19 (32.2) | 464 (47.5) |
| Non-Hispanic | 179 (53.3) | 40 (67.8) | 510 (52.3) |
| Multiparous | 145 (43.2) | 11 (18.6) | 588 (60.2) |
| Hypertension or preeclampsia | 94 (28.0) | 20 (33.9) | 382 (39.1) |
| Diabetes or gestational diabetes | 113 (33.6) | 13 (22.0) | 364 (37.3) |
a
With or without histologic chorioamnionitis.
b
Missing for 17 (1.2%) pregnancies.
c
Missing for <5 pregnancies.