Rule No “IF” Part “Then” part Success ratio %
1 Type of urinary fistula = Combined AND Status of bladder neck = Partially Damaged AND Width = 3 AND Status of Urethra = Complete Destruction Residual  (7.0/1.0) 87.50
2 Type of urinary fistula = Combined AND Status of bladder neck = Partially Damaged AND Number of fistula = 2 AND Status of Urethra = Partial Damage AND Length = 4 Residual (8.0/1.0) 88.89
Table 38: Classification rules for predicting residual incontinence after a surgical repair.