Table 1. Maternal characteristics.
| Metformin (n = 366) |
Combination (n = 109) |
p-value | |
|---|---|---|---|
| Age | 31.48 (6.88) | 34.40 (6.33) | 0.020c |
| Previous pregnancies | 3.00 (2.08) | 3.50 (1.73) | 0.008c |
| BMI | 29.48 (5.96) | 32.13 (6.99) | 0.009c |
| BMI class | |||
| Low weight | 28 (7.65%) | 1 (0.91%) | 0.006b |
| Adequate | 78 (21.31%) | 17 (15.59%) | 0.190a |
| Overweight | 116 (31.69%) | 29 (26.60%) | 0.311a |
| Obese | 139 (37.97%) | 60 (55.04%) | 0.002a |
| Weight gain | 1.31 (3.16) | 3.48 (3.72) | 0.009c |
| GA at diagnosis | 28.76 (5.83) | 25.95 (5.76) | < 0.001c |
| SHGS | 21 (5.73%) | 9 (8.25%) | 0.346a |
| Previous SAH | 55 (15.02%) | 17 (15.59%) | 0.864a |
Abbreviations: BMI, body mass index; GA, gestational age; SHGS, specific hypertensive gestation syndrome; SAH, systemic arterial hypertension.
Notes: aChi-squared test; bFisher exact test; cMann-Whitney test. Mean and standard deviation, absolute numbers and percentages.