Test of Equality over Groups
Variables mean recovery  time(in week) Log Rank (Mantel-Cox) Breslow (G.Wilcoxon)
Chi-Square Df sig. Chi-Square Df sig.
Age at marriage: <15 9.6            
<15 9.6            
15–20 4.989 19.65 2 0.001 13.225 2 0.001
>21 5.7            
Weight (kg)              
<50 5.55            
50 6.541 2.893 1 0.089 2.737 1 0.098
Height              
<150 6.583            
150 4.449 13.06 1 0.001 12.904 1 0.001
Marital status              
Not married 4.187            
Married 6.059 0.296 2 0.862 0.381 2 0.827
Divorced and              
widowed 5.765            
Educational status              
Not formal 6.227            
Some formal 5.423 0.16 1 0.689 0.053 1 0.818
Antenatal care              
Yes 4.045            
No 6.836 54.22 2 0.001 50.514 2 0.001
Place of delivery              
Home 7.067            
Institutional 4.188 29.34 1 0.001 20.483 1 0.001
Duration of labour              
<2 days 4.696            
2-4 days 5.634 20.2 2 0.001 18.644 2 0.001
>4 days 9.54            
incontinence              
3 6.743            
7Apr 5.196 6.38 2 0.041 6.006 2 0.05
>7 5.698            
Mode of delivery              
Vaginal 4.421            
Others* 7.778 21.53 1 0.001 17.92 1 0.001
               
length of fistula(cm)              
2 4.384            
3-5 6.6 62.107 2 0.001 54.11 2 0.001
>5 12.174            
Width of fistula(cm)              
2 4.09            
3-5 5.894 69.019 2 0.001 51.836 2 0.001
>5 15.842            
               
Status of bladder              
Intact 3.816            
Partially damaged 6.195 77.685 2 0.001 57.509 2 0.001
Complete destructed 12.158            
Status of urethra              
Intact 3.766            
partially damaged 8.013 76.968 2 0.001 57.507 2 0.001
Complete destructed 12.946            
Over all mean 4.64            
Figure 4: Completed facial reconstruction (half-profile, plasticine).