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Table 2 Correlation of the cervical resistance values measured in the zone of ECO on the upper pressure-sensitive film and other parameters

From: Analysis of cervical resistance during continuous controllable balloon dilatation: controlled clinical and experimental study

 

Upper film ECO

p Value

Number of births

ρ = 0.009a

0.956

Number of miscarriages

ρ = 0.042a

0.796

Number of abortions

ρ = 0.034a

0.831

Upper film ICO

r = 0.611b

0.000c

Lower film ICO

r = 0.207b

0.194

Lower film ECO

r = 0.657b

0.000c

  1. ICO internal cervical os, ECO external cervical os
  2. aSpearman’s correlation coefficient
  3. bPearson’s correlation coefficient
  4. cStatistically significant correlation