Variable | Control Mean ± SD | HT Mean ± SD | Change (HT-C)/C × 100 | p Value |
The age range from 20 to 49 years | ||||
Ea (mm/s) | 13.208 ± 2.47 | 11.34 ± 2.7 | −14.09% | <0.05 |
E/Ea | 5.72 ± 0.99 | 6.61 ± 1.62 | 15.55% | <0.05 |
Stiffness index | 1.21 ± 0.246 | 1.404 ± 0.38 | 40% | <0.05 |
The age range from 50 to 80 years | ||||
Ea (mm/s) | 12.045 ± 1.94 | 9.017 ± 2.57 | −25.166% | <0.05 |
E/Ea | 5.98 ± 1.23 | 8.059 ± 2.71 | 34.61% | <0.05 |
Stiffness index | 1.303 ± 0.313 | 1.763 ± 0.69 | 35.38% | <0.05 |