BMJ: October 1, 2013
Objective To determine the comparative effectiveness of exercise versus drug interventions on mortality outcomes.
Design Metaepidemiological study.
Eligibility criteria Meta-analyses of randomised controlled trials with mortality outcomes comparing the effectiveness of exercise and drug interventions with each other or with control (placebo or usual care).
Data sources Medline and Cochrane Database of Systematic Reviews, May 2013.
Main outcome measure Mortality.
Data synthesis We combined study level death outcomes from exercise and drug trials using random effects network meta-analysis. Read more