Age in years Test group Control group
No % No %
31-40 2 4.8 4 10.0
41-50 9 21.4 8 20.0
51-60 13 31.0 10 25.0
61-70 9 21.4 10 25.0
71-80 5 11.9 5 7.5
>80 2 4.8 3 5.0
Total 40 100.0 40 100.0
Mean ± SD 57.85 ± 13.88 57.6 ± 12.22
Inference Inference Age distribution is statistically similar between the two groups with P=0.539
Table 1: Age distribution in test group and control group.