Coffee and tea intake and the risk of myocardial infarction by Sesso HD, Gaziano JM, Buring JE, Hennekens CH.
The authors investigated the association of caffeinated coffee,
decaffeinated coffee, and tea with myocardial infarction in a study
of 340 cases and age-, sex-, and community-matched controls. The
odds ratio for drinking > or = 4 cups/day of caffeinated coffee
versus drinking < or = 1 cup/week was 0.84 (95% confidence
interval (CI) 0.49-1.42) after adjustment for coronary risk factors
(1 cup = 237 ml). The odds ratio for drinking > 1 cup/day of
decaffeinated coffee versus nondrinkers was 1.25 (95% CI
0.76-2.04). For tea, the odds ratio for drinking > or = 1
cup/day versus nondrinkers was 0.56 (95% CI 0.35-0.90). In these
data, only tea was associated with a lower risk of myocardial
infarction.
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