Independent variables | ADL scores of cognitively impaired patients (n = 24) | ADL scores of cognitively unimpaired patients (n = 16) |
Age | 0.562* | 0.528* |
Duration of disease | −0.714** | 0.57* |
UPDRS | −0.834** | 0.55* |
Hoehn & Yahr staging | 0.118 | 0.297 |
MMSE | 0.581* | −0.396 |
MoCA | 0.623* | −0.255 |