A Meta-Analysis of Tea Drinking and Risk of Parkinson's Disease

<table>Pooled estimate of OR and 95% CI of PD risk for tea drinking. Blue diamonds indicate adjusted OR in each study. Open diamonds are pooled OR. Horizontal line represents 95% CI. Studies are ordered by alphabetical order of last name of first author.</table>

The Scientific World Journal

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Figure 2

Figure 2: A Meta-Analysis of Tea Drinking and Risk of Parkinson's Disease 