Evidence map›Paper›PMID 38098205›Full record

ArticleJournal of movement disorders2024

Extraction of the pull force from inertial sensors during the pull test for Parkinson's disease: A reliability study.

Ryoma Taniuchi, Shusaku Kanai, Amane Hara, Kazuya Monden, Hiroaki Nagatani, Tsuyoshi Torii, Toshihide Harada

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Article in Journal of movement disorders, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Ryoma TaniuchiDepartment of Rehabilitation, National Hospital Organization Hiroshima-Nishi Medical Center, Hiroshima, Japan.
Shusaku KanaiDepartment of Physical Therapy, Faculty of Health and Welfare, Prefectural University of Hiroshima, Hiroshima, Japan.
Amane HaraDepartment of Rehabilitation, National Hospital Organization Hiroshima-Nishi Medical Center, Hiroshima, Japan.
Kazuya MondenDepartment of Rehabilitation, National Hospital Organization Hiroshima-Nishi Medical Center, Hiroshima, Japan.
Hiroaki NagataniDepartment of Rehabilitation, National Hospital Organization Hiroshima-Nishi Medical Center, Hiroshima, Japan.
Tsuyoshi ToriiDepartment of Neurology, National Hospital Organization Hiroshima-Nishi Medical Center, Hiroshima, Japan.
Toshihide HaradaDepartment of Physical Therapy, Faculty of Health and Welfare, Prefectural University of Hiroshima, Hiroshima, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo examine the inter- and intra-rater reliability of the pull test in patients with Parkinson's disease (PD) using the extracted pull force.

methodsIn this inter- and intra-rater reliability study, two raters performed a pull test on 30 patients with PD. The pull force was quantified using inertial sensors attached to the rater's right hand and the patient's lower trunk. In this study, the pull force was calculated as an extracted three-dimensional vector quantity, the resultant acceleration, and was expressed in m/s2. Inter- and intra-rater reliabilities were analyzed using the interclass correlation coefficient (ICC) for the pull force and Cohen's weighted kappa (κw) for the pull test score. Furthermore, Bland-Altman analysis was used to investigate systematic errors.

resultsThe inter- and intra-rater reliability of the pull force was very poor (ICC = 0.033-0.214). Bland-Altman analysis revealed no systematic errors in the pull forces between the two test points. Conversely, κw for the pull test scores ranged from 0.763 to 0.920, indicating substantial to almost perfect agreement.

conclusionThe pull test score was reliable despite variations in the quantified pull force for inter- and intra-rater reliability. Our findings suggest that the pull test is a robust tool for evaluating postural instability in patients with PD and that the pull force probably does not affect scoring performance.

Indexed as

Inter-rater reliabilityIntra-rater reliabilityParkinson’s diseasePull forcePull test

Identifiers

PMID38098205
PMCPMC11082607

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