This study investigates the link between laterality and appendicular parkinsonism in Parkinson's disease, suggesting a need for standardized clinical guidelines.
This study investigated the correlation between Parkinson's disease laterality, as defined by the Hoehn and Yahr (HY) scale, and appendicular parkinsonism scores from the MDS-UPDRS Part III using the PPMI dataset. While most cases (89.6%) showed congruence, a 10.4% discordance suggests that factors beyond appendicular parkinsonism influence clinical HY staging, highlighting a need for standardized guidelines.
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Houston et al. (2025) studied this question.
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