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Dr A Johnson, University of Alberta, Edmonton, Alberta, Canada; firstname.lastname@example.org
in patients with heart failure (HF) and diabetes, what is the relation between antidiabetic therapy and morbidity and mortality?
Medline (1966–2007), EMBASE/Excerpta Medica (1980–2007), Cochrane Central Register of Controlled Trials (1991–2007), 5 other databases, reference lists, and experts.
Study selection and assessment:
randomised controlled trials (RCTs) or cohort studies evaluating the association between antidiabetic drugs (insulin, metformin [MET], sulphonylurea [SU], and thiazolidinedione [TZD]) and hospital admission or all-cause mortality in patients with HF and diabetes. Quality assessment of individual studies was based on a validated checklist (maximum score 32; scores ⩾12 indicate acceptable quality). 8 studies met the selection criteria: 1 RCT, 2 posthoc …
Source of funding: Alliance for Canadian Health Outcomes Research in Diabetes.