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. Author manuscript; available in PMC: 2018 Feb 1.
Published in final edited form as: Am J Obstet Gynecol. 2016 Sep 8;216(2):155.e1–155.e8. doi: 10.1016/j.ajog.2016.09.074

Table 2.

Data for Cervix Location Under Different Traction Forces Presented in Figure 1 for Three Groups of Women with Varying Degrees of Pelvic Support

Normal
Normal (N=14)
Normal
Prolapse (N=11)
Prolapse
Prolapse (N=27)
P values
Overall NN vs PP NN vs NP NP vs PP
Clinic POP-Q Point C −6.0 (−7.0,−5.5) −6.0 (−8.0,−5.0) −2.5 (−4.0,−2.0) < .001 <. 001 .928 < .001
Operating Room
1 N −2.9 (−4.2,−2.2) −1.4 (−3.0,1.0) 0.3 (−1.6, 1.5) < .001 < .001 .03 a .07
18 N −0.2 (−1.3, 0.7) 1.7 (1, 4.2) 3.9 (2.4,6.1) < .001 < .001 .01 .03b

Data presented as median (IQR). POP-Q Point C reported in reference to the hymenal ring (0 cm) and measured during maximal Valsalva. P values comparing groups were determined by simple linear regression models.

a

p = .11 after adjusting for age and parity

b

p = .07 after adjusting for age and parity