Effects of different regimens to lower blood pressure on major cardiovascular events in older and younger adults: meta-analysis of randomised trials

Abstract
Objective To quantify the relative risk reductions achieved with different regimens to lower blood pressure in younger and older adults.Design Meta-analyses and meta-regression analyses used to compare the effects on the primary outcome between two age groups (0.09). The meta-regressions also showed no difference in effects between the two age groups for the outcome of major cardiovascular events (<65 v ≥65; P=0.38).Conclusions Reduction of blood pressure produces benefits in younger (<65 years) and older (≥65 years) adults, with no strong evidence that protection against major vascular events afforded by different drug classes varies substantially with age.

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