Parkinson's disease in China: prevalence in Beijing, Xian, and Shanghai.

  title={Parkinson's disease in China: prevalence in Beijing, Xian, and Shanghai.},
  author={Zhen-xin Zhang and Gustavo C. Rom{\'a}n and Zhen Yi Hong and Cheng-Bing Wu and Qiu-Ming Qu and Jue-Bing Huang and Bing Zhou and Zhi-Ping Geng and Ji-Xing Wu and Hong-bo Wen and Heng Zhao and Gwendolyn E P Zahner},
  volume={365 9459},
A cross-sectional prevalence study of Parkinson's disease in China was undertaken in 1997-98. We assessed 29?454 residents aged > or =55 years from 79 rural and 58 urban communities in Beijing, Xian, and Shanghai, who were selected through stratified, multistage, cluster sampling. With a standardised diagnostic protocol, we identified 277 people with the disease. Prevalence of Parkinson's disease for those aged > or =65 years was 1.7% (95% CI 1.5-1.9). We estimate that 1.7 million people in… CONTINUE READING
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