Identifying the clusters within nonmotor manifestations in early Parkinson's disease by using unsupervised cluster analysis.

BACKGROUND: Classical and data-driven classifications of Parkinson's disease (PD) are based primarily on motor symptoms, with little attention being paid to the clustering of nonmotor manifestations. METHODS: Clinical data on demographic, motor and nonmotor features, including the Korean versio...

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Bibliographic Details
Main Authors: Hui-Jun Yang, Young Eun Kim, Ji Young Yun, Han-Joon Kim, Beom Seok Jeon
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2014-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3958413?pdf=render