| Age | Group I No. = 117 | Group II No. = 199 | Test value | p-value | Sig. |
| Mean ± SD | 58.88 ± 9.65 | 48.10 ± 10.80 | 8.911• | 0.000 | HS |
| Range | 35 - 85 | 25 - 79 | |||
| Age ≤ 50 | 18 (15.4%) | 110 (55.3%) | 48.655* | 0.000 | HS |
| Age > 50 | 99 (84.6%) | 89 (44.7%) |