Table 1. Distribution of patients according to age and abstinence interval (n=67).
  Frequency %
Age
21 – 30
31 – 40
40 – 50
Total
15
46
6
67
22.3
68.6
8.9
100
Interval (hours)
1
2
3
59
7
1
88
10.4
1.4

Mean abstinence period (days): 4.0±0.9 (3-7)