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Letters
January 24/31, 2007

Green Tea Consumption and Mortality in Japan—Reply

Author Affiliations
 

Letters Section Editor: Robert M. Golub, MD, Senior Editor.

JAMA. 2007;297(4):360-361. doi:10.1001/jama.297.4.360-b

In Reply: Our study found a statistically nonsignificant increase in the risk of cancer death among participants who consumed 5 or more cups of green tea per day compared with participants who drank less than 1 cup per day, with a hazard ratio of 1.11 (95% confidence interval, 0.90-1.36) in men and 1.07 (95% confidence interval, 0.80-1.44) in women. We were unable to divide this highest category of consumption into subcategories, such as 10 or more cups/d and 5 to 9 cups/d, because these subcategories were not included on the questionnaire completed by the participants.

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