Using sustained vowels to identify patients with mild Parkinson’s disease in a Chinese dataset

Author:

Wang Miao,Zhao Xingli,Li Fengzhu,Wu Lingyu,Li Yifan,Tang Ruonan,Yao Jiarui,Lin Shinuan,Zheng Yuan,Ling Yun,Ren Kang,Chen Zhonglue,Yin Xi,Wang Zhenfu,Gao Zhongbao,Zhang Xi

Abstract

IntroductionParkinson’s disease (PD) is the second most common neurodegenerative disease and affects millions of people. Accurate diagnosis and subsequent treatment in the early stages can slow down disease progression. However, making an accurate diagnosis of PD at an early stage is challenging. Previous studies have revealed that even for movement disorder specialists, it was difficult to differentiate patients with PD from healthy individuals until the average modified Hoehn-Yahr staging (mH&Y) reached 1.8. Recent researches have shown that dysarthria provides good indicators for computer-assisted diagnosis of patients with PD. However, few studies have focused on diagnosing patients with PD in the early stages, specifically those with mH&Y ≤ 1.5.MethodWe used a machine learning algorithm to analyze voice features and developed diagnostic models for differentiating between healthy controls (HCs) and patients with PD, and for differentiating between HCs and patients with mild PD (mH&Y ≤ 1.5). The models were independently validated using separate datasets.ResultsOur results demonstrate that, a remarkable diagnostic performance of the model in identifying patients with mild PD (mH&Y ≤ 1.5) and HCs, with area under the ROC curve 0.93 (95% CI: 0.851.00), accuracy 0.85, sensitivity 0.95, and specificity 0.75.ConclusionThe results of our study are helpful for screening PD in the early stages in the community and primary medical institutions where there is a lack of movement disorder specialists and special equipment.

Publisher

Frontiers Media SA

Reference46 articles.

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