Obesity Surgery

, Volume 29, Issue 4, pp 1388–1396 | Cite as

Sleeve Gastrectomy Weight Loss and the Preoperative and Postoperative Predictors: a Systematic Review

  • Samuel Cottam
  • Daniel CottamEmail author
  • Austin Cottam
Review Article


The sleeve gastrectomy (SG) is the most popular weight loss procedure in the USA. Despite its popularity, little is definitively known about the variables that correlate with weight loss. We performed a literature search to find studies that reported variables that correlated with weight loss following SG. Forty-eight articles were identified and included. These articles covered 36 different factors predictive of weight loss while only including five predictive models. Only 12.5% of multivariate analyses evaluated sufficiently reported their results. The factors that predict weight loss following SG cannot be concluded due to the inconsistency in reporting and the methodological flaws in analysis. Reporting factors that predict weight loss should be standardized, and methods should be changed to allow physicians to use the data presented.


Sleeve gastrectomy Predictive modeling Univariate Multivariate Multilinear regression Weight loss 


Compliance with Ethical Standards

Conflict of Interest

Samuel Cottam has no conflict of interest to declare. Daniel Cottam, the corresponding author, reports personal fees from Medtronic, outside the submitted work. Austin Cottam has no conflict of interest to declare.

Statement of Human and Animal Rights

This study did not involve performing any procedures. Thus, it was done in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Since this is a retrospective study, the formal consent is not required for this type of study.

Supplementary material

11695_2018_3666_MOESM1_ESM.docx (13 kb)
ESM 1 (DOCX 12 kb)
11695_2018_3666_MOESM2_ESM.docx (13 kb)
ESM 2 (DOCX 12 kb)


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Bariatric Medicine InstituteSalt Lake CityUSA

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