| Age (years) |
Male |
Female |
Total |
P value |
| N |
% |
n |
% |
n |
% |
| ≤ 30 |
4 |
14.3 |
0 |
0.0 |
4 |
10.0 |
0.135 |
| 31 to 40 |
2 |
7.1 |
1 |
8.3 |
3 |
7.5 |
| 41 to 50 |
7 |
25.0 |
3 |
25.0 |
10 |
25.0 |
| 51 to 60 |
8 |
28.6 |
2 |
16.7 |
10 |
25.0 |
| > 60 |
7 |
25.0 |
6 |
50.0 |
13 |
32.5 |
| Total |
28 |
70.0 |
12 |
30.0 |
40 |
100.0 |
| mean ± SD |
50.9 ± 12.8 |
57.4 ± 10.7 |
52.9 ± 12.4 |
|