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Appendix S1 Supplementary Methods TABLE S1. Clinical characteristics of study participants TABLE S2. Cox regression analysis of baseline trimethylamine N-oxide levels and motor or cognition progression in patients with Parkinson's disease Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.

The Gut Metabolite Trimethylamine N‐oxide Is Associated With Parkinson's Disease Severity and Progression