| Age Group | Frequency | Percent |
| Less Than 40 Years | 17 | 11.0 |
| 40 to 60 Years | 73 | 47.1 |
| 60 to 80 Years | 57 | 36.8 |
| More Than 80 Years | 8 | 5.2 |
| Total | 155 | 100.0 |
| Mean ± SD (Range) | 58.03 ± 14.08 (22 to 97) | |