| Disease | THIS META-ANALYSIS OF TEA CONSUMPTION IN RELATION TO STROKE, MYOCARDIAL INFARCTION,, AND ALL CORONARY HEART DISEASE IS BASED ON 10 COHOR STUDIES AND SEVEN CASE-CONTROL STUDIES. ONLY THE RELATIVE RISK ESTIMATES FOR MYOCARDIAL INFARCTION (SEVEN
STUDIES) ESTIMATED TO DECEASE BY 11% WITH AN INCREASE IN TEA CONSUMPTION OF 3 CUPS PER DAY (FIXED-EFFECTS RELATIVE RISK ESTIMATE= 0.89, 95% CONFIDENCE INTERVAL: 0.79, 1.01) (1 CUP = 237 ML). THE GEOGRAPHIC REGION WHERE THE STUDIES WERE CONDUCTED
APPEARED TO EXPLAIN MUCH OF THE HETEROGENEITY AMONG CORONARY HEART DISEASE, MYOCARDIAL INFARCTION, AND PROBALY STROKE RESULTS. WITH INCREASING TEA CONSUMPTION, THE RISK INCREASED FOR CORONARY HEART DISEASE IN THE UNITED KINGDOM AND FOR STROKE
IN AUSTRALIA, WHEREAS THE RISK DECREASED IN OTHER REGIONS, PARTICULARY IN CONTINENTAL EUROPE. |