Comparison of activities of daily living impairments in Parkinson's disease patients as defined by the Pill Questionnaire and assessments by neurologists

Wei Ju Lee, Yung Yee Chang, J.-J. Lin, Yueh Feng Sung, Jie Yuan Li, Shuu Jiun Wang, Rou Shayn Chen, Yuan Han Yang, Chaur-Jong Hu, Chon Haw Tsai, Han Cheng Wang, Shey Lin Wu, Ming Hong Chang, Jong Ling Fuh

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Objectives: To compare the clinical judgment of experienced neurologists after interviewing Parkinson's disease (PD) patients and their caregivers with the use of the Pill Questionnaire to determine the presence of impairments on activities of daily living (ADL). Background: ADL impairment is a criterion for the diagnosis of dementia associated with PD. The Pill Questionnaire has been recommended as a screening tool to assess ADL impairment in PD patients, but its usefulness and validity have not been fully investigated. Methods: We recruited idiopathic PD patients from 12 hospitals in Taiwan, and the patients underwent clinical assessments, a neuropsychological test battery and the Unified Parkinson Disease Rating Scale evaluation. The Pill Questionnaire was administered by study assistants. Patient and caregiver interviews were performed by experienced neurologists who were blinded to the Pill Questionnaire results. Results: In total, 284 PD patients (mean age 71.8±9 years, mean education 8.7±5.3 years, mean disease duration 5.4±5.3 years) were recruited. 63 patients showed ADL impairment by the Pill Questionnaire, and 108 patients showed ADL impairment by neurologists' clinical interviews. κ Statistics showed moderate agreement between the two methods (κ=0.521, p

Original languageEnglish
Pages (from-to)969-973
Number of pages5
JournalJournal of Neurology, Neurosurgery and Psychiatry
Volume85
Issue number9
DOIs
Publication statusPublished - 2014

ASJC Scopus subject areas

  • Clinical Neurology
  • Psychiatry and Mental health
  • Surgery
  • Arts and Humanities (miscellaneous)

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