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

From: Indicators for mode of delivery in pregnant women with uteruses scarred by prior caesarean section: a retrospective study of 679 pregnant women

 VBAC (n = 328)CS (n = 351)p
Age (year, mean ± SD)29.68 ± 6.0429.70 ± 5.360.979 a
Gravidity (times, mean ± SD)2.86 ± 1.322.53 ± 0.960.000b
Parity (mean ± SD)1.34 ± 0.791.59 ± 1.010.000b
Gestational age (weeks, mean ± SD)39.54 ± 1.7239.92 ± 1.550.0027b
Prior vaginal delivery (Yes/No)60 (18.29%)23 (6.55%)0.0001c
Interval since the last CS (year)4.79 ± 3.113.97 ± 2.210.002b
  1. CS cesarean section, VBAC vaginal birth after CS
  2. aunpaired t-test; b Mann-Whitney U test; c χ2 test