Rule No “IF” Part “Then” part Success ratio %
1 Type of urinary fistula = Circumferential AND
Status of Ureters = Both Inside AND
Length = >5 AND Status of Urethra = Partial Damage
Stress (7.0/1.0) 87.5
2 Length = 2 AND
Type of urinary fistula = Juxta-urethral AND
Scarring = Moderate AND Width = 2 AND
No of Prev Repair Other Hospital = Not applicable AND Status of bladder neck = Complete Destruction
Stress (7.0/1.0) 87.5
3 Status of bladder neck = Partially Damaged AND Type of urinary fistula = Circumferential AND Status of Ureters = Both Inside AND
Length = >5 AND Status of Urethra = Partial Damage
Stress (7.0/1.0) 87.50
4 Length = 3 AND Status of Urethra = Intact AND Width = 4 Stress (16.0/2.0) 88.89
Table 37: Classification rules for predicting stress incontinence after a surgical repair.