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Table 3 Quality appraisal for systematic reviews/meta-analysis

From: Effectiveness and safety of dipeptidyl peptidase 4 inhibitors in the management of type 2 diabetes in older adults: a systematic review and development of recommendations to reduce inappropriate prescribing

Source Type of study 1. ‘a priori’ design 2. Duplicate selection and data extraction 3. Comprehensive search 4. Status of publication 5. List of studies 6. Characteristics provided 7. Scientific quality assessed 8. Scientific quality in conclusions 9. Methods to combine findings 10. Publication bias 11. Conflict of interest
Johansen et al. 2012 [58] Meta-analysis N U U N Y Y N N Y N Y
  1. Y Yes, N No, U Unclear