Research Article
The Influence of Prior Obstetrical History on Current 17-Hydroxyprogesterone Caproate Use
Table 1
Demographic and clinical characteristics of subjects eligible for 17- Hydroxyprogesterone caproate (17-OHP-C).
| Patient characteristic | Offered 17-OHP-C () | Not offered 17-OHP-C () | P value |
| Maternal age (mean years ± SD) | 27.6 ± 5.2 | 31.7 ± 6.3 | .002 | % African-American | 59.7 (49/82) | 72.7 (16/22) | .26 | % Single | 63.4 (52/82) | 59.1 (13/22) | .71 | % Medicaid insurance | 73.2 (60/82) | 54.5 (12/22) | .09 | Years of school ≤12 | 64.4 (47/73) | 40.9 (9/22) | .04 | Preeclampsia or gestational hypertension | 17.5 (14/80) | 27.3 (6/22) | .31 | Cerclage (all types) | 12.3 (10/81) | 9.1 (2/22) | 1.00 | Multiple (>1) prior preterm birth | 39.0 (32/82) | 27.3 (6/22) | .31 | Etiology of index preterm birth due to preterm labor | 58.0 (47/81) | 59.1 (13/22) | .93 | Interval term delivery since preterm birth | 9.7 (8/82) | 31.8 (7/22) | .009 | Cesarean section (current pregnancy) | 25.6 (20/78) | 9.1 (2/22) | .14 | Birth weight (mean gm ± SD) | | | .96 | Gestational age of most recent preterm delivery* | 30.2 (26.0–34.4) | 36.0 (27.5–38.0) | .03 | Gestational age of earliest preterm delivery* | 29.2 (25.0–33.0) | 31.5 (24.9–36.0) | .20 | Gestational age at delivery of current gestation* | 37.0 (35.2–39.1) | 37.9 (36.5–39.0) | .87 |
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*Data presented as median and IQR.
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