Table 1 Fistula characteristics

Fistula type

Simple

32 (78%)

Complex

9 (22%)

Internal opening level

Below dentate line

14 (34.1%)

At the dentate line

24 (58.5%)

Above the dentate line

3 (7.3%)

External opening number

1

31 (75.6%)

2

7 (17.1%)

3

3 (6.3%)

External opening position

Anterior

23 (56.1%0

Posterior

18 (43.9%)

Procedure

Seton (dranage/cutting)

27

Fistulotomy

9

Fistulotomy and Seton

9