Demographic and clinical characteristics of subjects.

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).

数据以均值±标准误（Mean ± standard error）呈现。M=男性（male）；F=女性（female）；NA=不适用（not applicable）；HY=霍恩-雅尔（Hoehn and Yahr）分级；UPDRS III=统一帕金森病评定量表（Unified Parkinson’s Disease Rating Scale，UPDRS）运动分量表。
*p<0.01，**p<0.0001，与t0组比较（采用符号秩检验）。