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Table 1 Comparisons of time to recovery among different levels of predictor variables using log-rank test from obstetric fistula patients at Gondar university teaching and referral hospital (January, 2010–March, 2017)

From: Time to recovery from obstetric fistula and determinants in Gondar university teaching and referral hospital, northwest Ethiopia

Variables

Frequency (%)

Median recovery time in week

Log rank test

X2

P-value

Residence

 Urban

122 (19.9%)

4

28.00

< 0.001

 Rural

490 (80.1%)

5.9

Marital status

 Single

27 (4.4%)

5.1

3. 7

0.452

 Married

387 (63.3%)

4.9

 Divorced

114 (18.7%)

5.4

 Widowed

32 (5.2%)

5.9

 Separate

51 (8.4%)

7.3

BMI

 Normal weight

212 (34.9%)

3.6

76.1

< 0.001

 Under weight

98 (16.1%)

8.9

 Over weight

273 (44.9%)

5.3

 Obesity

28 (4.6%)

10.4

Educational status

 Illiterate

394 (64.4%)

7.3

174.2

< 0.001

 Literate

218 (35.6%)

3.4

Economical dependence

 Dependent

290 (47.6%)

7.3

49.7

< 0.001

 Independent

319 (52.4%)

4.4

Parity

 Primiparous

299 (49.0%)

5.9

8.6

0.003

 Multiparous

311 (51.0%)

4.9

Antenatal care

 Yes

303 (49.6%)

3.6

166.7

< 0.001

 No

308 (50.4%)

8.4

Delivery place

 Home

293 (48.0%)

6.6

22.2

< 0.001

 Health service

317 (52.0%)

4.4

Mode of delivery

 Vaginal

454 (74.4%)

5.3

0.8

0.359

 Non-vaginal

156 (25.6%)

4.7

Outcome of delivery

 Still-birth

256 (41.8%)

6.4

10.6

< 0.001

 Alive

347 (57.6%)

4.6

Antibiotic use

 Use

357 (61.5%)

4.4

90.4

< 0.001

 Don’t use

224 (38.6%)

8.6

Physiotherapy

 No

363 (59.5%)

6.6

45.7

< 0.001

 Yes

247 (40.5%)

4

Length of fistula

 Small (< 2 cm.)

332 (54.3%)

4

117.2

< 0.001

 Medium (2–3.9 cm.)

99 (16.2%)

5.3

 Large (4–5.9 cm.)

131 (21.4%)

8.4

 Extensive (>/=6 cm.)

50 (8.2%)

10.9

Width of fistula

 Small (< 2 cm.)

330 (53.9%)

4

148.0

< 0.001

 Medium (2–3.9 cm.)

133 (21.7%)

6.7

 Large (4–5.9 cm.)

118 (19.3%)

8.9

 Extensive (>/=6 cm.)

31 (5.1%)

9.7