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Relationship between the reduction in blood pressure (BP) and the risk of composite cardiovascular endpoints (triple: myocardial infarction, stroke and cardiovascular death; quadruple: myocardial infarction, stroke, cardiovascular death and congestive heart failure). Thirty trials are included for a total of 221 024 patients. For each trial, the difference in BP between randomised groups is depicted. Data from Verdecchia et al 21 (with permission). BP, blood pressure.
