A review of the quality of current diabetes clinical practice guidelines

OBJECTIVE: To obtain an evaluation of current type 2 diabetes mellitus (T2DM) clinical practice guidelines. METHODS: Relevant guidelines were identified through a systematic search of MEDLINE/PubMed. Pan American Health Organization (PAHO) country offices were also contacted to obtain national diabetes guidelines in use but not published/available online. Overall, 770 records were identified on MEDLINE/PubMed for citations published from 2008 to 2013. After an initial screening of these records, 146 were found to be guidelines related to diabetes. Inclusion and exclusion criteria were used to further refine the search and obtain a feasible number of guidelines for appraisal. Guideline evaluation was conducted by health professionals using the Appraisal of Guidelines for Research and Evaluation (AGREE) II instrument, which was developed to address the issue of variability in guideline quality and assesses the methodological rigor and transparency in which a guideline is developed. A total of 17 guidelines were selected and evaluated. RESULTS: Ten guidelines scored ≥ 70% and seven guidelines scored ≥ 80%. The range was 21%–100%. The mean scores for Latin America and the Caribbean (LAC) country guidelines (n = 6) were compared to the mean scores for non-LAC country guidelines (n = 11). International guidelines consistently scored notably higher in all domains and overall quality than LAC guidelines. CONCLUSIONS: Based on this study’s findings, it is clear that T2DM clinical practice guideline development requires further improvements, particularly with regard to the involvement of stakeholders and editorial independence. This issue is most apparent for LAC country guidelines, as their quality requires major improvement in almost all aspects of the AGREE II criteria. Continued efforts should be made to generate and update high-quality guidelines to improve the management of increasingly prevalent noncommunicable diseases, such as T2DM.