ArticleObesity surgery2026
New Year's Resolution or Spring Feelings? Effect of Month and Season on First Presentation and Short-Term Outcome in Metabolic and Bariatric Surgery.
Article in Obesity surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors.
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Abstract
backgroundWhile seasonal fluctuations in health behaviors such as dieting are well known, little is known about their influence on metabolic bariatric surgery (MBS) consultation timing. This study examines whether the season of first clinical presentation for MBS differs by sex and whether timing impacts early outcomes. MATERIALS AND
methodsData from 21,396 patients in the German StuDoQ/MBE registry (2014–2019) were analyzed. Monthly and seasonal presentation probabilities were compared by sex. Logistic regression assessed predictors of early-year consultation. Linear mixed models with random intercepts were used to evaluate the effect on weight loss at 3 and 12 months postoperatively.
resultsPresentation patterns differed significantly between sexes. Women presented more frequently in spring and summer, while men showed a clear peak in the first quarter, aligning with calendar-based triggers like New Year’s resolutions. These trends suggest sex-specific motivators: body image awareness in women versus functional limitations and external cues in men. Despite seasonal variation in consultation timing, postoperative weight loss outcomes showed no statistically significant differences across all seasons.
conclusionThe timing of MBS consultation might be influenced by seasonal and sex-specific behavioral patterns. However, outcomes are unaffected by the time of year patients enter treatment. Recognizing these trends can inform tailored patient communication and engagement strategies. Future bariatric programs may benefit from sex-sensitive, seasonally adaptive approaches to optimize patient readiness and long-term success.
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