[Table/Fig-1]:
Comparison of demographic, anthropometric, CVS parameters, autonomic response to HGT, autonomic balance (HRV), pulse wave velocity (PWV) & resting DP between the controls and the cases.
| S. No. | Parameters | MEAN ± SD | ‘p’-value | |
|---|---|---|---|---|
| Controls (n=50) | Cases (n=50) | |||
| 1. | Age (years) | 29.3±6.9 | 31.7±6.4 | 0.08 |
| 2. | Height (cm) | 166.8±8.5 | 166.4±7 | 0.81 |
| 3. | Weight (Kg) | 66.3±8.3 | 65.1±9.9 | 0.51 |
| 4. | BMI (Kg/m2) | 23.8±2.0 | 23.4±2.7 | 0.40 |
| 5. | Resting Heart rate (bpm) | 73.7±4 | 74.0±4.5 | 0.764 |
| 6. | Resting SBP (mmHg) | 113.5±10 | 117.9±10.1 | 0.03* |
| 7. | Resting DBP (mmHg) | 76±5.9 | 81.2±4.6 | 0.02* |
| 8. | Resting Double Product (mmHg per min) | 8387±972.3 | 8749±1067.7 | 0.08 |
| 11. | SBP just before release | 130.7±8.6 | 133.6±5.9 | 0.05 |
| 12. | DBP just before the release | 95.4±4.3 | 88.2±3.9 | 0.00** |
| 13. | Change in DBP(ΔDBP) | 19.4±3.5 | 7.0± 3.3 | 0.00** |
| 14. | Low Frequency (LF) (nu) | 58.5±13.1 | 73.8±10 | 0.00** |
| 15. | High Frequency (HF) (nu) | 38.0±12.4 | 21.2±7.0 | 0.00** |
| 16. | LF/HF Ratio | 1.82±1.04 | 3.93±1.6 | 0.00** |
| 19. | Pulse wave Velocity(PWV) (m/s) | 4.8±0.44 | 5.797±0.55 | 0.00** |
| 20. | Resting Double Product(DP) (mmHg per min) | 8387±972.3 | 8749±1067.7 | 0.08 |
Values in Mean±SD, *Significant (p< 0.05) **Highly significant (p< 0.001) Unpaired t test.