Characteristics | placebo group n = 64 | HBB group n = 59 | P-value |
Age (years) | 30.2 ± 4.8 | 29.9 ± 4.9 | 0.686 |
Height (m) | 1.6 ± 0.1 | 1.6 ± 0.1 | 0.808 |
Weight (kg) | 79.3 ± 17.3 | 79.9 ± 12.0 | 0.814 |
Parity Nulliparous multiparous |
24 (47.8) 40 (52.2) |
20 (45.7) 39 (54.3) |
0.710
|
Gestational age (weeks) | 39.3 ± 1.0 | 39.4 ± 1.1 | 0.479 |
Cervical dilatation at presentation (cm) | 4.5 ± 0.5 | 4.5 ± 0.6 | 0.373 |
Spontaneous rupture of membrane | 26 (40.6) | 22 (37.3) | 0.705 |