Evaluation of PDQ-8 and its relationship with PDQ-39 in China: a three-year longitudinal study

Mini-Mental State Examination in Elderly Chinese: A Population-Based Normative Study

(2016) Hanzhi Li et al.   JOURNAL OF ALZHEIMERS DISEASE

Health-Related Quality of Life in patients with Parkinson's disease—A systematic review based on the ICF model

(2016) Janet M.T. van Uem et al.   NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS

The longitudinal impact of depression on disability in Parkinson disease

(2015) Gregory M. Pontone et al.   INTERNATIONAL JOURNAL OF GERIATRIC PSYCHIATRY

Anxiety and Depression Are Better Correlates of Parkinson’s Disease Quality of Life Than Apathy

(2015) Jacob D. Jones et al.   JOURNAL OF NEUROPSYCHIATRY AND CLINICAL NEUROSCIENCES

Psychometric study of the Persian short-form eight-item Parkinson’s disease questionnaire (PDQ-8) to evaluate health related quality of life (HRQoL)

(2014) Seyed-Mohammad Fereshtehnejad et al.   Health and Quality of Life Outcomes

Importance of motor vs. non-motor symptoms for health-related quality of life in early Parkinson's disease

(2013) Bernd Müller et al.   PARKINSONISM & RELATED DISORDERS

Quality of life in Parkinson’s disease patients: validation of the Short-Form Eight-item Parkinson’s Disease Questionnaire (PDQ-8) in Taiwan

(2010) Tzu-Ting Huang et al.   QUALITY OF LIFE RESEARCH

Determination of the longitudinal validity and minimally important difference of the 8-item Parkinson's Disease Questionnaire (PDQ-8)

(2008) Nan Luo et al.   MOVEMENT DISORDERS

Fourteen-year final report of the randomized PDRG-UK trial comparing three initial treatments in PD

(2008) R. Katzenschlager et al.   NEUROLOGY

Rasch analysis of the short form 8-item Parkinson’s Disease Questionnaire (PDQ-8)

(2008) Franco Franchignoni et al.   QUALITY OF LIFE RESEARCH

Anxiety and depression: Main determinants of health-related quality of life in Brazilian patients with Parkinson's disease

(2007) Francisco Javier Carod-Artal et al.   PARKINSONISM & RELATED DISORDERS