Evidence map›Paper›PMID 42579269›Full record

ArticleObesity surgery2026

Long-Term Weight Regain Outcome Post-Bariatric Surgery: Key Influencing Factors.

Lani Ofri, Ayala Blau, Dror Dicker, Sharon Barak

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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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0cells of the map it votes in
0citing papers in PubMed
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1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Lani OfriDepartment of Nursing, Ariel University, Ariel, Israel.ORCID http://orcid.org/0000-0003-2914-8925
Ayala BlauDepartment of Nursing, Ariel University, Ariel, Israel.ORCID http://orcid.org/0000-0001-5268-7885
Dror DickerHasharon Hospital-Rabin Medical Center , Petach Tikva, Israel.ORCID http://orcid.org/0000-0001-8546-6245
Sharon BarakDepartment of Nursing, Ariel University, Ariel, Israel. sharoni.baraki@gmail.com.ORCID https://orcid.org/0000-0003-0714-4798

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionWeight regain is a major long-term challenge in post-bariatric surgery. This study aimed to assess long-term weight regain (> 2 years) using a 25% cutoff from the maximal weight lost and identify associated factors.

methodsThe study involved men and women aged 18 to 65 who had bariatric surgery, assessing demographic, surgical, lifestyle, support, emotional health, and weight-related factors. The proportion of participants with optimal (less than 25% weight regain from the maximal weight lost) vs. non-optimal weight regain status (≥ 25% weight regain from the maximal weight lost) were calculated. Independent t-tests and chi-square tests compared participants by weight regain outcomes, followed by multivariable logistic regression using the ENTER method. An exploratory stepwise logistic regression model was also conducted.

resultsThe study included 234 participants (mean age of 46.00 ± 12.3 years). At follow-up, 20.3% had a healthy body mass index. Most participants (75.6%) presented optimal weight regain status. In the primary multivariable logistic regression model, male sex (odds ratio = 3.45), lower inappropriate eating behaviors (odds ratio = 3.17), smoking (odds ratio = 9.75), and dietitian support (odds ratio = 0.34) were significantly associated with optimal weight regain outcome. The smoking finding had a wide confidence interval and should therefore be interpreted as hypothesis-generating only. An exploratory stepwise model showed a similar pattern of findings and explained 27.3% of the variance in weight regain. The largest improvement in model fit occurred with the addition of eating behaviors (healthy, inappropriate, and bariatric), increasing explained variance by 13.5%.

conclusionMost individuals maintained favorable long-term weight outcomes two years post-bariatric surgery, but about one in four had significant weight regain. The strongest factor associated with long-term optimal weight maintenance response was eating behaviors. This underscores the key role of diet and ongoing support in sustaining bariatric surgery benefits.

Indexed as

Bariatric surgeryLifestyle factorsLong-term outcomesNutrition adherencePhysical activityPredictionSmokingWeight regain

Identifiers

PMID42579269

What Socratic holds

Textmetadata
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.