Table 1 Baseline characteristics of pregnant women in the CS and VBAC groups

Age (year, mean ± SD)

29.68 ± 6.04

29.70 ± 5.36

Gravidity (times, mean ± SD)

2.86 ± 1.32

2.53 ± 0.96

Parity (mean ± SD)

1.34 ± 0.79

1.59 ± 1.01

Gestational age (weeks, mean ± SD)

39.54 ± 1.72

39.92 ± 1.55

Prior vaginal delivery (Yes/No)

60 (18.29%)

23 (6.55%)

Interval since the last CS (year)

4.79 ± 3.11

3.97 ± 2.21