Table 2. Comparison of age, BMI, Hcy, CRP, UPDRS (III), MMSE, and NMSS between PD and VP.
| Variable | PD | VP | T value | P value | |
| Age | 58.88±13.7 | 67.03±11.58 | 2.809 | 0.006* | |
| Hcy | 14.08±0.77 | 15.12±0.90 | 0.087 | 0.39 | |
| CRP | 2.06±0.28 | 2.59±0.39 | 1.136 | 0.26 | |
| BMI | 22.80±2.12 | 21.68±2.37 | 1.247 | 0.224 | |
| MMSE | 25.32±2.18 | 22.08±2.93 | 2.955 | 0.007* | |
| UPDRS(III) | 17.89±5.65 | 19.23±10.60 | 0.389 | 0.701 | |
| NMSS(total) | 131.14±9.24 | 135.57±48.76 | 0.671 | 0.508 | |
| Cardiovascular | 2.21±2.39 | 2.64±2.31 | −0.483 | 0.633 | |
| Sleep/Fatigue | 28.14±9.69 | 26.57±10.11 | 0.420 | 0.678 | |
| Mood | 27.14±13.31 | 26.43±12.38 | 0.144 | 0.886 | |
| Perceptual problem | 7.36±7.06 | 9.71±7.67 | −0.846 | 0.405 | |
| Attention/memory | 13.29±6.60 | 13.07±7.56 | 0.081 | 0.936 | |
| Gastrointestina | 11.57±9.75 | 12.57±8.78 | −0.285 | 0.778 | |
| Urinary | 13.21±7.91 | 12.36±8.10 | 0.283 | 0.779 | |
| Sexual function | 13.64±6.29 | 15.88±6.8 | −0.894 | 0.380 | |
| Miscellaneous | 15.64±10.72 | 16.36±9.79 | −0.192 | 0.849 |
* P<0.01.
Abbreviations: SD, Standard deviation; BMI, Body Mass Index; MMSE, mini-mental state examination; UPDRS III, the unified Parkinson's disease rating scale part III; and NMSS, non-motor symptoms scale for Parkinson's disease (range of possible scores from 0 to 360).