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Table 3 Correlation of the cervical resistance values measured in the zone of the ICO on the lower pressure-sensitive film and other parameters

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

 

Lower film ICO

p Value

Number of births

ρ = −0.109a

0.497

Number of miscarriages

ρ = −0.083a

0.604

Number of abortions

ρ = 0.007a

0.966

Lower film ECO

r = 0.455b

0.003c

Upper film ICO

r = 0.169b

0.290

Upper film ECO

r = 0.207b

0.194

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