Pre-operative (n = 60)

Group A

(n = 20)

Group B

(n = 40)

Group C

(n = 30)

Distribution of Wexner scores

0 to 5 (good)

60 (100%)

0 (0%)

40 (100%)

30 (100%)

6 to 10 (fair)

0 (0%)

4 (20.0%)

0 (0%)

0 (0%)

11 to 15 (poor)

0 (0%)

10 (50.0%)

0 (0%)

0 (0%)

16 to 20 (very poor)

0 (0%)

6 (30.0%)

0 (0%)

0 (0%)