Table 1. Demographic, motor, and non-motor parameters.
| Clinical parameters | PD | VP | |||||
| Mean(SD) | Min | Max | Mean(SD) | Min | Max | ||
| Gender (n) | Male n(%) | 25(58.1) | 23(51.1) | ||||
| Female n(%) | 18(41.9) | 22(49.9) | |||||
| Age (years) | 58.9(13.74) | 40 | 83 | 67.0 (11.6) | 45 | 83 | |
| Disease duration (years) | 6.2(3.7) | 0.08 | 26 | 5.8(4.2) | 0.06 | 14 | |
| H&Y | 2.39(1.09) | 1 | 6 | 2.34(1.28) | 1 | 4 | |
| Daily L-dopa dosage (mg) | 392.3(225.3) | 200 | 800 | 383.3(189.9) | 200 | 800 | |
| BMI | 22.80(2.12) | 19.22 | 25.39 | 21.68(2.37) | 18.32 | 25.39 | |
| MMSE | 25.32(2.18) | 21 | 30 | 22.08(2.93) | 18 | 30 | |
| UPDRS(III) | 17.89(5.65) | 6 | 29 | 19.23(10.60) | 8 | 33 | |
| NMSS(total) | 131.14(9.24) | 47 | 219 | 135.57(48.76) | 41 | 235 | |
| Cardiovascular | 2.21(3.87) | 0 | 9 | 2.64(2.31) | 0 | 8 | |
| Sleep/Fatigue | 28.14(3.92) | 0 | 46 | 26.57(10.11) | 0 | 46 | |
| Mood | 27.14(13.31) | 0 | 58 | 26.43(12.38) | 0 | 55 | |
| Perceptual problem | 7.36(3.42) | 0 | 22 | 9.71(7.67) | 0 | 26 | |
| Attention/memory | 13.29(6.60) | 0 | 22 | 13.07(7.42) | 0 | 21 | |
| Gastrointestina | 11.57(9.15) | 0 | 32 | 12.57(8.78) | 0 | 31 | |
| Urinary | 13.21(9.93) | 0 | 32 | 12.36(8.10) | 0 | 36 | |
| Sexual function | 13.64(5.0) | 0 | 24 | 15.86(6.8) | 0 | 24 | |
| Miscellaneous | 15.64(10.72) | 0 | 36 | 16.36(9.79) | 0 | 38 | |
Abbreviations: SD, Standard deviation; BMI, Body Mass Index; MMSE, mini-mental state examination; UPDRS III, the unified Parkinson's disease rating scale part III; H&Y, the modified Hoehn and Yahr staging scale; and NMSS, non-motor symptoms scale for Parkinson's disease (range of possible scores from 0 to 360).