Assertion: beta carotene | /r/RelatedTo | significant 7% increased risk
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Source sentences:
text: However, multivariate regression analyses showed that, in the better designed “low bias” trials, beta-carotene was associated with a significant 7% increased risk, vitamin A with a 16% risk, and vitamin E with a 4% increased risk of mortality, whereas vitamin C and selenium had no significant effect on mortality.