| Participants | Adults with type 2 diabetes |
| Language restrictions | English |
| Publication dates (from and to) for searching | 2010–2018 (published high-quality reviews should address early publications of randomized trials) |
| Inclusion of guidelines | ECRI institute (formerly the “Emergency Care Research Institute”) appraised, published since 2010 |
| Meeting Institute of Medicine criteria for trustworthy guidelines | |
| Inclusion of clinical performance measures | Yes |
| Inclusion for systematic reviews (review quality, reviews with quantitative analyses) | Yes |
| Inclusion of randomized trials | Yes, published since 2010 |
| Inclusion of observational studies for harms (study characteristics, design, applicability, sample size, statistical methods to reduce bias) | Nationally representative prospective cohort studies of adverse effects with multivariate adjustment of adverse effects |