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Table 4 Probability of FSROUVF by score according to logistic regression model

From: HEAL Africa score to predict failure of surgical repair of obstetric urethro-vaginal fistula in the Democratic Republic of the Congo

Score obtained

Probability of failure*

0

0.19%

1

0.48%

2

1.21%

3

3.03%

4

7.38%

5

16.90%

6

34.19%

7

50.01%

8

77.21%

9

89.64%

10

95.67%

11

98.26%

12

99.31%

13

99.73%

14

99.89%

  1. *obtained from the formula: p = 1/1 + exp. (−6.28–0.938 x score)