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Table 4 The PFM strength of women in 6–8 weeks postpartum among the different vaginal delivery modes

From: Effect of different delivery modes on the short-term strength of the pelvic floor muscle in Chinese primipara

 

N

0

1

2

3

4

5

Perineal laceration Group

398

21

151

192

30

4

0

Episiotomy Group

2279

197

996

975

108

3

0

Forceps assisted Group

72

5

37

28

2

0

0

 

-

-

-

X2 or Z

18.736

−4.182

−2.550

−0.830

p-value

0.000

0.000

0.032

1.000

  1. Kruskal-Wallis H test was used to assess the difference of the PFM function among the three vaginal delivery modes
  2. Mann-Whitney U test and Bonferroni’s correction were conducted to assess pairwise samples