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Dr F Turnbull, University of Sydney, Sydney, New South Wales, Australia; firstname.lastname@example.org
Are different classes of drugs to lower blood pressure (BP) similarly effective for preventing major cardiovascular events in younger (<65 y) and older (⩾65 y) patients?
Included studies compared drugs that lower BP with placebo, a less-intensive BP-lowering regimen, or a different class of BP-lowering drug. Primary outcome was major cardiovascular event (fatal or non-fatal stroke, myocardial infarction, or heart failure).
In a prespecifed protocol, the review was to include ongoing or planned randomised controlled trials (RCTs) that had ⩾1000 patient-years of planned follow-up per group and no results presented before July 1995 (date of protocol finalisation). Of 37 eligible trials, individual patient data were provided for 25 RCTs …
Source of funding: National Health and Medical Research Council of Australia.
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