Demographic/clinical parameters | Spearman’s Correlation coefficients | |
---|---|---|
PDQoL7 | PDQ-8 | |
Age | 0.170 | 0.204 |
Number of years since diagnosis | 0.528** | 0.539** |
Modified Hoehn & Yahr stage | 0.561** | 0.552** |
PD subtype | − 0.034 | 0.023 |
Motor signs | 0.018 | − 0.052 |
Onset | − 0.145 | − 0.098 |
Cognitive impairment | 0.575** | 0.570** |
Disability-Off index | 0.682** | 0.669** |
Disability-LID index | 0.278* | 0.334** |
Non-motor questionnaire | 0.681** | 0.540** |
Depressed mood | 0.650** | 0.593** |
EQ-5D-5L index score | − 0.852** | − 0.789** |