Huang et al reported a model for predicting the risk of urinary incontinence in a primipara female after a singleton pregnancy. The authors are from Maternal and Child Health Hospital og Guangxi Zhuang Autonomous Region in China.
Patient selection: primipara, singleton pregnancy
Parameters:
(1) mode of delivery
(2) family history of urinary incontinence
(3) consumption of coffee or tea
(4) antenatal urinary incontinence
(5) frequent cough
Parameter
Finding
Points
mode of delivery
Cesarean section
0
vaginal delivery
14.8
family history
no
0
yes
67
consumption coffee/tea
no
0
yes
14.5
antenatal urinary incontinence
no
0
yes
100
frequent cough
no
0
yes
46.6
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 242.9
• The higher the score the greater the risk of urinary incontinence.
• A score of 0 (none of the risk factors) has a 13% risk of postpartum urinary incontinence.
value of X =
= (0.03221 * (score)) - 1.87
risk of postpartum urinary incontinence =
= 1 / (1 + EXP((-1) * X))
Performance:
• The C-index is 0.72.
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