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Comparative Effectiveness of Bariatric Surgery and Nonsurgical Therapy in Adults With Metabolic Conditions and a Body Mass Index of 30 to 34.9 kg/m2.


John M. Eisenberg Center for Clinical Decisions and Communications Science1.


Comparative Effectiveness Review Summary Guides for Clinicians [Internet]. Rockville (MD): Agency for Healthcare Research and Quality (US); 2007-.
AHRQ Comparative Effectiveness Reviews.
2013 Sep 13.

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Baylor College of Medicine, Houston, Texas


In response to a request from the public, the Agency for Healthcare Research and Quality (AHRQ) provided support to the Southern California Evidence-based Practice Center to perform a systematic review of the comparative effectiveness and safety of bariatric surgery as a way to treat diabetes and other metabolic conditions in patients with a body mass index (BMI) of at least 30 kg/m2 but less than 35 kg/m2. This review included studies in which participants had a BMI of 30.0 to 34.9 kg/m2 or in which a major subgroup of the study participants were in this BMI range. The systematic review included 54 studies published through September 2012. An online version of this summary provides links directly to the sections of the full report with references for individual findings, inclusion criteria for the studies, and an explanation of the methods for rating the studies and determining the strength of evidence for individual findings. The online version of this summary and the full report are available at This summary is provided to assist in decisionmaking along with a patient’s values and preferences. Reviews of evidence should not be construed to represent clinical recommendations or guidelines.

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