Table 1. Demographic characteristics and clinical status of each group.
| PD patients (n = 26) | Controls (n = 30) | P value | |
|---|---|---|---|
| Age(years) | 54.31± 10.90 | 56.81 ± 10.81 | 0.70 a |
| Sex (male/female) | 12/14 | 14/16 | 0.22 b |
| Disease duration (years) | 2.18 ± 1.52 | NA | NA |
| UPDRS motor score (off medication) | 18.96 ± 8.86 | NA | NA |
| H&Y stage (off medication) | 1.26±0.45 | NA | NA |
| LEDD (mg/day) | 317.96 ± 162.65 | NA | NA |
| MMSE | 28.4± 1.1 | 29.4 ± 1.2 | 0.36 a |
Abbreviations: PD, Parkinson's disease; UPDRS, Unified Parkinson's Disease Rating Scale; H&Y, Hoehn and Yahr; MMSE, mini-mental state examination; LEDD, levodopa equivalent daily dose; NA, not available.
a The P value was obtained using the two-tailed two-sample t-test.
b The P value was obtained using the chi-squared test. The data are presented as the means ± SD.