Table 1. Demographic and clinical characteristics of subjects.
| group | n (t0) | age(years) | gender(M/F) | disease duration (years) | HY stage (t0) | UPDRS III(t0) | n (t1) | delay between2 MRI (months) | HYstage (t1) | UPDRS III(t1) |
| PD patients | 27 | 60.2±10.7 | 13/14 | 5.7±4.4 | 1.9±0.7 | 12.1±8.5 | 14 | 36.9±4.7 | 2.5±0.5* | 19.8±14.7** |
| controls | 26 | 57.0±8.5 | 9/17 | NA | NA | NA | 18 | 37.2±3.7 | NA | NA |
Mean ± standard error. M = male; F = female; NA = not applicable; HY = Hoehn and Yahr; UPDRS III = motor part of UPDRS (Unified Parkinson’s Disease Rating Scale).
*
p<0.01 and **p<0.0001, vs. t0 (signed rank test).