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Risk of a recurring urinary tract infection (UTI) by history of UTI and juice assignment. Participants (92/155) taking cranberry and taking placebo (87/164) reported a history of one or more UTI. Error bars show 95% confidence intervals. Clinical Trial of Cranberry Juice 2 times/day versus placebo. Otherwise healthy young women (319) with a culture-confirmed urinary tract infection 2005–2007.
