Table 1.
Patient characteristics and outcomes stratified by treatment failure
| Variable | Total (N = 368) | Treatment failure (N = 59) | No treatment failure (N = 309) | P value |
|---|---|---|---|---|
| Patient characteristics | ||||
| Age (years) | 31.0 (5.5) | 31.0 (6.1) | 31.0 (5.4) | 0.8 |
| White | 190 (52%) | 27 (46%) | 163 (53%) | 0.3 |
| Black | 40 (11%) | 10 (17%) | 30 (10%) | 0.1 |
| Hispanic | 114 (31%) | 19 (32%) | 95 (31%) | 0.8 |
| Other | 24 (6%) | |||
| Patient weight at start of pregnancy (kg) | 91.5 (24.6) | 98.4 (25.2) | 90.2 (24.3) | 0.02* |
| Patient weight at delivery (kg) | 100.7 (23.5) | 106.4 (23.4) | 99.6 (23.5) | 0.04* |
| Weight gain (kg) | 9.2 (7.9) | 8.0 (8.1) | 9.4 (7.9) | 0.55 |
| BMI at start of pregnancy (kg/m2) | 34 (8.1) | 36.5 (8.2) | 33.5 (8.0) | 0.01* |
| BMI at delivery (kg/m2) | 37.4 (7.8) | 39.6 (7.7) | 37.0 (7.7) | 0.01* |
| Outcome | ||||
| Total gestational days | 265.3 (12.9) | 257.8 (15.5) | 266.7 (11.9) | <.0001* |
| Receiving double therapy | 22 (6.0%) | |||
| Treatment failure | 59 (16.0%) | |||
| Fetal macrosomia | 53 (14.4%) | 7 (11.9%) | 46 (14.9%) | 0.5 |
| Preterm delivery | 60 (16.3%) | 17 (28.8%) | 43 (13.9%) | 0.005* |
| Neonatal hypoglycemia | 211 (57.3%) | 35 (59.3%) | 176 (57.0%) | 0.7 |
BMI indicates body mass index. Data presented as mean (SD) or n (%).
*
P < 0.05.