Rule No “IF” Part “Then” part Success ratio %
1 Status of Urethra = Intact AND Status of bladder neck = Intact AND Scarring = None AND Length = 1 Cures (1746.0/115.0) 93.82
2 Status of Urethra = Intact AND Status of bladder neck = Intact AND Scarring = None AND Length = 2 Cures (1656.0/118.0) 93.35
3 Status of Urethra = Intact AND Scarring = Mild AND Type of urinary fistula =Juxta-cervical AND Length = 2 Cures (312.0/10.0) 96.89
4 Status of bladder neck = Intact AND Scarring = None AND Type of urinary fistula = Vault Cures (45.0/1.0) 97.83
5 Status of bladder neck = Partially Damaged AND Type of urinary fistula = Juxta-cervical AND Scarring = Mild Cures (40.0/3.0) 93.02
6 Status of bladder neck = Intact AND Bladder size = No information AND Scarring = Moderate AND No of Prev Repair Other Hospital = No Information Cures (35.0/2.0) 94.59
7 Status of bladder neck = Partially Damaged AND Bladder size = Fair AND Scarring = None Cures (18.0/1.0) 94.74
Table 36: Classification rules predicting cure for a surgical repair.