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Table 6 Binary logistic regression analyses for factors associated with obstetric fistula repair failure among women underwent repair in Yirgalem Hamlin fistula center, Southern Ethiopia, 2021

From: Obstetric fistula repair failure and its associated factors among women underwent repair in Yirgalem Hamlin fistula center, Sidama Regional State, Southern Ethiopia, 2021: a retrospective cross sectional study

Variables

Obstetric fistula repair failure

N (%)

COR with 95% CI

AOR with 95% CI

p -value

No

Yes

Age at repair

  < 20

62 (64.6)

34 (35.4)

1

1

 

 20–34

210 (76.9)

63 (23.1)

0.547 (0.330, 0.906)

0.705 (0.351, 1.417)

0.326

   > 34

128 (66.3))

65 (33.7))

0.926 (0.554, 1.548)

1.555 (1.043, 5.859)

0.277

Number of delivery (parity)

  One

131 (63.3)

76 (36.7)

1

1

 

 More than one

269 (75.8)

86 (24.2)

0.551 (0.380, 0.800)

0.554 (0.305, 1.005)

0.052

Duration of labor

   ≤ 48

290 (78.8)

78 (21.2)

1

1

 

   > 48

110 (56.7)

84 (43.3)

2.839 (1.945, 4.145)

2.037 (1.268, 3.272)

0.003**

Fetal outcome

  Stillbirth

302 (68.6)

138 (31.4)

1.866 (1.143, 3.045)

1.255 (0.680, 2.316)

0.467

 Live birth

98 (80.3)

24 (19.7)

1

1

 

Fistula type

 VVF

383 (72.0)

149 (28.0)

1

1

 

 RVF

13 (72.2)

5 (27.8)

0.989 (0.346, 2.821)

1.158 (0.327, 4.098)

0.820

 Both VVF and RVF

4 (33.3)

8 (66.7)

5.141 (1.525, 17.327)

1.612 (0.276, 9.428)

0.596

Goh fistula type

 Type 1

141 (79.7)

36 (20.3)

1

1

 

 Type 2

185 (78.7)

50 (21.3)

1.059 (0.654, 1.713)

0.784 (0.434, 1.405)

0.413

 Type 3

56 (52.78

50 (47.2)

3.497 (2.061, 5.933)

1.555 (0.785, 3.079)

0.206

 Type 4

18 (40.9)

26 (59.1)

5.657 (2.799, 11.434)

3.939 (1.623, 9.560)

0.002**

Fistula size in cm

  ≤ 3

366 (80.4)

89 (19.6)

1

1

 

  > 3

34 (31.8)

73 (68.2)

8.829 (5.528, 14.103)

6.627 (3.802, 11.554)

0.000***

Circumferential defect

     

 No

366 (78.2)

102 (21.8)

1

1

 

 Yes

34 (36.2)

60 (63.8)

6.332 (3.940, 10.177)

1.824 (0.955, 3.484)

0.069

Number of fistulae

 One

389 (72.8)

145 (27.2)

1

1

 

 Two

11 (39.3)

17 (60.7)

4.146 (1.897, 9.063)

2.639 (0.874, 7.971)

0.085

Status of urethra

 Intact

256 (81.0)

60 19.0)

1

1

 

 Partially damage

130 (62.5)

78 (37.5)

2.560 (1.721, 3.809)

1.464 (0.845, 2.536)

0.174

 Completely damage

14 (36.8)

24 (63.2)

7.314 (3.572, 14.975)

3.192 (1.234, 8.256)

0.017*

Status of bladder neck

 Intact

342 (76.0)

108 (24.0)

1

1

 

 Damage

58 (51.8)

54 (48.2)

2.948 (1.920, 4.528)

1.252 (0.669, 2.345)

0.482

Level of vaginal scarring/fibrosis

 None

34 (85.0)

6 (15.0)

1

1

 

 Mild

299 (74.8)

101 (25.3)

1.914 (0.781, 4.693)

1.958 (0.661, 5.798)

0.225

 Moderate to severe

67 (54.9)

55 (45.1)

4.652 (1.820, 11.888)

2.020 (0.622, 6.562)

0.242

Surgeon status

 Gynecologist

396 (71.6)

157 (28.4)

1

1

 

 Guest/Resident

4 (44.4)

5 (55.6)

3.153 (0.836, 11.894)

0.800 (0.121, 5.282)

0.817

Number of days to catheter removal

 ≤ 14

378 (74.4)

130 (25.6)

1

1

 

 > 14

22 (40.7)

32 (59.3)

4.229 (2.372, 7.541)

2.944 (1.380, 6.281)

0.005**

  1. Keys: COR = crude odds ratio; AOR = adjusted odds ratio; 1 = reference category; p value significant at: *p < 0.05, **p < 0.01, ***p < 0.001, N = number while (%) represents percentages