Research Article

Reliability and Validity of the Geriatric Depression Scale in Italian Subjects with Parkinson’s Disease

Table 2

Pearson’s correlation coefficient for each comparison.

HADS-AHADS-DTotal HADSPDQSF-36Barthel Index

GDS0.7990.8000.8800.712−0.320−0.217

; . HADS-A: Hospital Anxiety and Depression Scale of Anxiety; HADS-D: Hospital Anxiety and Depression Scale of Depression; GDS: Geriatric Depression Scale; PDQ-39: Parkinson’s Disease Questionnaire; SF-36: Short Form 36-Health Survey Questionnaire.