Group I

Group II

X²

P

Sex:

1.62

0.45

Male

13 (65%)

11 (55%)

Female

7 (35%)

9 (45%)

Cause of ulcer:

Incomp. Perforators

1 (5%)

2 (10%)

1.68

0.43

Incomp. Saph. Trunk

2 (10%)

2 (10%)

0.42

0.89

Incomp. Perf. & Saph. Trunk

3 (15%)

4 (20%)

0.15

0.93

Previous DVT

14 (70%)

12 (60%)

0.60

0.74