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Obesity Surgery

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01-04-2014 | Original Contributions

Predictors of Weight Loss are Different in Men and Women After Sleeve Gastrectomy

Authors: John Roger Andersen, Eivind Aadland, Roy Miodini Nilsen, Villy Våge

Published in: Obesity Surgery | Issue 4/2014

Abstract

Background

Weight loss following bariatric surgery varies according to patient factors before the intervention. However, whether predictors of weight loss differ between men and women is, to our knowledge, unknown. We therefore aimed to investigate baseline predictors for overall weight loss and identify potential sex-specific baseline predictors in bariatric surgery patients.

Methods

In this prospective cohort study, 160 patients (117 women and 43 men) who underwent sleeve gastrectomy were followed up for 2 years. Weight loss was defined as percent excess body mass index loss (%EBMIL). To investigate whether %EBMIL differed between men and women, we included all two-way interactions with sex by incorporating the product term sex and predictors using multiple linear regression analysis.

Results

The overall mean ± standard deviation of %EBMIL after 2 years was 78.3 ± 23.5. Predictors for lower %EBMIL in a regression model with no interactions were female sex (P = 0.003), higher body mass index before surgery (P = 0.001), and nonsmoking (P = 0.029). When examining sex-specific predictors for %EBMIL, higher age (P = 0.027) and not having diabetes (P = 0.007) predicted lower %EBMIL in men. In women, unemployment (P = 0.006) and anxiety and/or depression (P = 0.009) predicted lower %EBMIL.

Conclusions

This study suggests that weight loss and predictors for weight loss 2 years after sleeve gastrectomy are sex-specific. These findings may be useful for the surgical strategy used to treat these patients.

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Title: Predictors of Weight Loss are Different in Men and Women After Sleeve Gastrectomy
Authors: John Roger Andersen
Eivind Aadland
Roy Miodini Nilsen
Villy Våge
Publication date: 01-04-2014
Publisher: Springer US
Published in: Obesity Surgery / Issue 4/2014
Print ISSN: 0960-8923
Electronic ISSN: 1708-0428
DOI: https://doi.org/10.1007/s11695-013-1124-7

At a glance: The STEP trials

Springer Medicine

Predictors of Weight Loss are Different in Men and Women After Sleeve Gastrectomy

Abstract

Background

Methods

Results

Conclusions

At a glance: The STEP trials

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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