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. 2016 Feb 22;6(2):e010003. doi: 10.1136/bmjopen-2015-010003

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Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/

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Forest plots of intervention effects on the proportion of patients with all-cause readmission (A), emergency department (ED) visits (B), composite rate of readmissions and/or ED visits (C), adverse drug event-related hospital revisits (D) and mortality (E). Pooled estimates (diamond) calculated by the Mantel-Haenszel random effects model. Horizontal bars and diamond widths represent 95% CIs. Anderegg et al³⁵ stratified patients into two groups: general population and high-risk patients. Farris et al³⁷ randomised the population into different levels of intervention: minimal and enhanced.