Figure 1.

Flow diagram of review and inclusion/exclusion (Preferred Reporting Items for Systematic reviews and Meta-Analyses [PRISMA]).

Notes: ^aData of interest = incidence or prevalence of hypertension and/or obesity among adults with T2DM (searches one and two) or risk association of hypertension/obesity with long-term micro- or macrovascular complications of T2DM (search one only); ^bdoes not exclude patients hospitalized with T2DM complications; ^cpublication types excluded were commentaries, case studies, interim reports when end-of-study data were available, and reviews for which primary data were already included; ^done article (Thomas and Atkins²⁹) reported on two studies, for a total of 78 studies in 77 articles.

Abbreviations: NHS EED, National Health Service Economic Evaluation Database; T2DM, type 2 diabetes mellitus.