Table 5 Characteristics and clinical outcomes after propensity score matching between betamethasone group and betamethasone-free group
Betamethasone-free group | Betamethasone group | |||
|---|---|---|---|---|
n = 211 | n = 211 | P-values | SD | |
Background | ||||
Maternal age, median [IQR] | 32.0 [28.0, 36.0] | 32.0 [29.0, 36.0] | 0.745 | 0.025 |
Body mass index, median [IQR] | 23.0 [21.5, 26.0] | 23.0 [21.0, 26.0] | 0.798 | 0.002 |
Nulliparity, n (%) | 92 (43.6) | 96 (45.5) | 0.769 | 0.038 |
Multiple pregnancies, n (%) | 28 (13.3) | 27 (12.8) | 1 | 0.041 |
Number of fetuses | ||||
1, n (%) | 183 (86.7) | 184 (87.2) | 0.925 | 0.052 |
2, n (%) | 26 (12.3) | 24 (11.4) | ||
3, n (%) | 2 (0.9) | 3 (1.4) | ||
4, n (%) | 0 (0.0) | 0 (0.0) | ||
Complications | ||||
History of heart disease, n (%) | 0 (0.0) | 0 (0.0) | 1 | < 0.001 |
Hypertensive disorder in pregnancy, n (%) | 51 (24.2) | 38 (18.0) | 0.152 | 0.151 |
Preeclampsia, n (%) | 36 (17.1) | 26 (12.3) | 0.216 | 0.134 |
Gestational diabetes mellitus, n (%) | 10 (4.7) (15.3) | 12 (5.7) | 0.827 | 0.043 |
Preterm labor with rupture of membrane, n (%) | 35 (16.6) | 38 (18.0) | 0.797 | 0.038 |
Drug | ||||
Ritodrine hydrochloride, n (%) | 101 (47.9) | 105 (49.8) | 0.77 | 0.038 |
Magnesium sulfate, n (%) | 100 (47.4) | 93 (44.1) | 0.558 | 0.067 |
Clinical outcomes | ||||
PE, n (%) | 1 (0.5) | 8 (3.8) | 0.037 | 0.231 |