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Table 3 C-statistics for the nomogram and model variables in the training and validation cohorts

From: Establishment and validation of a simple nomogram for predicting early postpartum stress urinary incontinence among women with vaginal delivery: a retrospective study

Variables

Training cohort

Validation cohort

C-statistic (95% CI)

P* value

C-statistic (95% CI)

P* value

Nomogram

0.85 (0.83–0.87)

 

0.83 (0.79–0.87)

 

Age

0.74 (0.71–0.76)

 < 0.001

0.70 (0.64–0.75)

 < 0.001

Parity

0.73 (0.71–0.75)

 < 0.001

0.71 (0.67–0.76)

 < 0.001

Infant weight

0.70 (0.67–0.72)

 < 0.001

0.66 (0.61–0.71)

 < 0.001

Second stage of labor

0.76 (0.74–0.78)

 < 0.001

0.73 (0.68–0.77)

 < 0.001

Forceps delivery

0.52 (0.51–0.54)

 < 0.001

0.55 (0.52–0.59)

 < 0.001

  1. C-statistic, concordance statistic; CI, confidence interval
  2. *Delong test were used for comparing C-statistic
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BMC Women's Health

ISSN: 1472-6874

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