Inter-rater reliability of hand motor function assessment in Parkinson’s disease: impact of clinician training

dc.contributor.authorKenny, Lornaen
dc.contributor.authorAzizi, Zahraen
dc.contributor.authorMoore, Kevinen
dc.contributor.authorAlcock, Meganen
dc.contributor.authorHeywood, Sarahen
dc.contributor.authorJonsson, Agnesen
dc.contributor.authorMcGrath, Keithen
dc.contributor.authorFoley, Mary J.en
dc.contributor.authorSweeney, Brianen
dc.contributor.authorO'Sullivan, Sean S.en
dc.contributor.authorBarton, Johnen
dc.contributor.authorTedesco, Salvatoreen
dc.contributor.authorSica, Marcoen
dc.contributor.authorCrowe, Columen
dc.contributor.authorTimmons, Suzanneen
dc.contributor.funderInterregen
dc.date.accessioned2025-01-09T15:19:38Z
dc.date.available2025-01-09T15:19:38Z
dc.date.issued2024en
dc.description.abstractMedication adjustments in Parkinson’s disease (PD) are driven by patient subjective report and clinicians’ rating of motor feature severity (such as bradykinesia and tremor). Objective: As patients may be seen by different clinicians at different visits, this study aims to determine the interrater reliability of upper limb motor function assessment among clinicians treating people with PD (PwPD). Methods: PwPD performed six standardised hand movements from the Movement Disorder Society’s Unified Parkinson’s Disease Rating Scale (MDS-UPDRS), while two cameras simultaneously recorded. Eight clinicians independently rated tremor and bradykinesia severity using a visual analogue scale. We compared intraclass correlation coefficient (ICC) before and after a training/calibration session where high-variance participant videos were reviewed and MDS-UPDRS instructions discussed. Results: In the first round, poor agreement was observed for most hand movements, with best agreement for resting tremor (ICC 0.66 bilaterally; right hand 95 % CI 0.50–0.82; left hand: 0.50–0.81). Postural tremor (left hand) had poor agreement (ICC 0.14; 95 % CI 0.04–0.33), as did wrist pronation-supination (right hand ICC 0.34; 95 % CI 0.19–0.56). In post-training rating exercises, agreements improved, especially for the right hand. Best agreement was observed for hand open-close ratings in the left hand (ICC 0.82, 95 % CI 0.64–0.94) and resting tremor in the right hand (ICC 0.92, 95 % CI 0.83–0.98). Discrimination between right and left hand features by raters also improved, except in resting tremor (disimprovement) and wrist pronation-supination (no change). Conclusions: Clinicians vary in rating video-recorded PD upper limb motor features, especially bradykinesia, but this can be improved somewhat with trainingen
dc.description.sponsorshipInterreg Northern Periphery and Artic Programme (funded project SENDOC Smart sENsor Devices fOr rehabilitation and Connected health)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid100278en
dc.identifier.citationKenny, L., Azizi, Z., Moore, K., Alcock, M., Heywood, S., Jonsson, A., McGrath, K., Foley, M.J., Sweeney, B., O’Sullivan, S., Barton, J., Tedesco, S., Sica, M., Crowe, C. and Timmons, S. (2024) ‘Inter-rater reliability of hand motor function assessment in Parkinson’s disease: Impact of clinician training’, Clinical Parkinsonism & Related Disorders, 11, 100278 (7pp). https://doi.org/10.1016/j.prdoa.2024.100278en
dc.identifier.doihttps://doi.org/10.1016/j.prdoa.2024.100278en
dc.identifier.eissn2590-1125en
dc.identifier.endpage7en
dc.identifier.journaltitleClinical Parkinsonism & Related Disordersen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/16799
dc.identifier.volume11en
dc.language.isoenen
dc.publisherElsevieren
dc.rights© 2024, the Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license ( http://creativecommons.org/licenses/by/4.0/ )en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectParkinson’s diseaseen
dc.subjectAssessmenten
dc.subjectInter-rater reliabilityen
dc.subjectVariabilityen
dc.subjectMDS-UPDRSen
dc.titleInter-rater reliability of hand motor function assessment in Parkinson’s disease: impact of clinician trainingen
dc.typeArticle (peer-reviewed)en
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