PMID: 11921110Mar 29, 2002Paper

Field validation of a method for population screening of parkinsonism

Movement Disorders : Official Journal of the Movement Disorder Society
Maria Dolores SevillanoLuis Erik Clavería

Abstract

We sought to validate an instrument and two application procedures for screening for prevalence of parkinsonism in conjunction with a door-to-door survey in Cantalejo, Spain. Residents in Cantalejo aged 40 years or older were assigned to three groups specifically designed to optimise case-finding and cost/efficiency. A nine-item questionnaire aimed at identifying parkinsonism-related symptoms was administered and collected door-to-door by laymen and repeated by specialists at a medical facility before neurological examination. Diagnoses were then established and confirmed after a 3-year follow-up. Different indices for and concordance of answers were studied for both applications in groups of 25 individuals with parkinsonism. The scoring procedure was updated using the prevalence community sample of parkinsonism. Whereas the application administered by laymen showed, using the same cut-off scores, a higher sensitivity for parkinsonism than that administered by trained personnel, it yielded a lower positive predictive value for parkinsonism diagnosed during the study, i.e., at a 30-point cut-off (96% vs. 80% and 15% vs. 76%, respectively). Concordance was > or =64% with kappa >or=0.316 and P <or=0.031 for six questions. Instrume...Continue Reading

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Citations

Jan 30, 2013·Acta neurologica Belgica·Oscar H Del BruttoMilton Santamaría
Sep 6, 2012·Neuroepidemiology·Nabila DahodwalaUNKNOWN PARS Investigators
Aug 27, 2005·BMC Neurology·Lianna S IshiharaCarol Brayne
Mar 29, 2002·Movement Disorders : Official Journal of the Movement Disorder Society·Luis Erik ClaveríaJesús de Pedro-Cuesta
May 11, 2004·Movement Disorders : Official Journal of the Movement Disorder Society·Günter U HöglingerWolfgang H Oertel
Jul 30, 2010·Movement Disorders : Official Journal of the Movement Disorder Society·Praween LolekhaRoongroj Bhidayasiri
Mar 17, 2006·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·Catherine M PetersGeorge D Mellick
Dec 13, 2005·Parkinsonism & Related Disorders·K S M TaylorJ C Gordon
Jan 12, 2019·JMIR Research Protocols·Jesús Hernández-GallegoJulián Benito-León

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