Table 2.
Predictors of optimal timing of antenatal corticosteroids.
| Predictor | Optimal timing (n = 113) | Suboptimal timing (n = 102) | P value |
|---|---|---|---|
| Prior preterm birth | 19 (17%) | 12 (12%) | 0.29 |
| Multifetal gestation | 26 (23%) | 23 (23%) | 0.94 |
| ART | 21 (19%) | 24 (24%) | 0.37 |
| Rupture of membranes | 57 (50%) | 18 (18%) | <0.001 |
| Vaginal bleeding | 20 (20%) | 14 (14%) | 0.25 |
| Cervical dilation | |||
| <2 cm | 77 (68%) | 89 (88%) | <0.001 |
| ≥2 cm | 36 (32%) | 12 (12%) | |
| Cervical change | 52 (46%) | 14 (14%) | <0.001 |
| Contractions on tocometer | 86 (76%) | 63 (62%) | 0.02 |
| Tocolysis | 41 (36%) | 41 (40%) | 0.56 |
| Abnormal fetal heart tracing | 13 (12%) | 5 (5%) | 0.56 |
| IUGR | 1 (1%) | 0 (0%) | 0.36 |
| IUGR w/abnormal Dopplers | 4 (4%) | 7 (7%) |
ART, assisted reproductive technology; IUGR, intrauterine growth restriction.