Table 2: Clinical features and hemodynamic parameters of PD patients with and without OH (values displayed as means±SD),
*statistically significant comparison.
| OH- | OH+ | p value |
| N (Male/Female) | 8 (5/3) | 4 (4/0) | |
| Age (years) | 60±14 | 70±13 | 0.253 |
| Disease duration (years) | 5.9±2 | 5.5±4 | 0.875 |
| Daily LED (mg) | 693±169 | 414±105 | *0.006 |
| Supine | | | |
| Mean BP (mmHg) | 92±12 | 115±16 | 0.052 |
| Heart Rate | 83±16 | 76±13 | 0.435 |
| Mean B/F Velocity (cm/s) | 50±15 | 34±8 | *0.043 |
| BHI | 0.91±0.35 | 0.92±0.23 | 0.971 |
| Standing | | | |
| Mean BP (mmHg) | 96±16 | 74±14 | *0.043 |
| Heart Rate | 88±14 | 89±7 | 0.823 |
| Mean B/F Velocity (cm/s) | 46±16 | 28±7 | *0.025 |
| BHI | 0.80±0.36 | 0.87±0.19 | |
| Difference Standing-supine | | | |
| Δ mean BP (mmHg) | 4±7 | -41±19 | *0.016 |
| Δ Heart rate | 5±6 | 8±4 | 0.263 |
| Δ Mean B/F Velocity (cm/s) | -4±5 | -6±1 | 0.223 |
| Δ BHI | 0.13±0.24 | 0.40±0.18 | 0.339 |