The study is aimed to translate and culturally adapt Parkinson's Disease Questionnaire-39 into Urdu language and to investigate validity and reliability of Parkinson's Disease Questionnaire-39 in Parkinson's diseased patient among Pakistani population.The study will be a cross sectional survey in which non-probability purposive sampling technique will be used to enroll the participants into the study as per criteria.~The results of the study will help to establish an understanding of validity and reliability of Urdu version of Parkinson's Disease Questionnaire-39 with quality of life of Parkinson's Disease patients in Pakistani population having Parkinson's Disease. Reliability of the scale will be checked through internal consistency and test-retest methods. Cronbach's alpha value will be used to analyze internal consistency and for analyzing test-retest reliability an intraclass correlation coefficient with 195 patients will be used
In the study , the researchers will investigate the reliability and validity of Urdu version Parkinson's Disease Questionnaire in Pakistani population having Parkinsonism