Effects of vitamin E on stroke subtypes: meta-analysis of randomised controlled trials

Objective To evaluate the effect of vitamin E supplementation on incident total, ischaemic, and haemorrhagic stroke. Design Systematic review and meta-analysis of randomised, placebo controlled trials published until January 2010. Data sources Electronic databases (Medline, Embase, Cochrane Central Register of Controlled Trials) and reference lists of trial reports. Selection criteria Randomised, placebo controlled...