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Table 3 The dilation of cervix after taking out DBC between in the two groups

From: Induction of labour in mid-trimester pregnancy using double-balloon catheter placement within 12 h versus within 12–24 h

 

n

0(cm)

1(cm)

2(cm)

≥3(cm)

12 h-DBC

31

10

9

10

2

24 h-DBC

27

3

9

7

8

Z

−2.185

    

P

0.029

    
  1. Wilcoxon test was used