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Table 5 Comparison with the PFM strength before and after treatment

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
Before 305 208 97 0 0 0 0
After 305 0 51 202 40 12 0
Z   −15.572
p-value   0.000
  1. Wilcoxon test is used