Evidence map›Paper›PMID 42689315›Full record

ArticleJournal of metabolic and bariatric surgery2026

Effects of Bariatric Surgery in Patients With Class I Obesity (BMI 30-35 kg/m

Muhammad Kamran Khan, Abdullah Musaad M AlHarbi, Moayad Abdulrahman S Alzamil, Ambreen Liaqat, Sultan Saud Bin Mohammed Bin Sifran, Areeba M Amin

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Article in Journal of metabolic and bariatric 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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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

6 authors.

Muhammad Kamran KhanDepartment of Medical Education, Dawadmi College of Medicine, Shaqra University, Dawadmi, Saudi Arabia.ORCID https://orcid.org/0009-0001-9566-4760
Abdullah Musaad M AlHarbiDepartment of Medical Education, Dawadmi College of Medicine, Shaqra University, Dawadmi, Saudi Arabia.ORCID https://orcid.org/0009-0005-9708-2958
Moayad Abdulrahman S AlzamilDepartment of Medical Education, Dawadmi College of Medicine, Shaqra University, Dawadmi, Saudi Arabia.ORCID https://orcid.org/0009-0005-2580-8406
Ambreen LiaqatDepartment of Clinical Sciences, College of Medicine Shaqra, Shaqra University, Shaqra, Saudi Arabia.ORCID https://orcid.org/0009-0005-8388-532X
Sultan Saud Bin Mohammed Bin SifranDawadmi College of Medicine, Shaqra University, Dawadmi, Saudi Arabia.ORCID https://orcid.org/0009-0003-5084-3305
Areeba M AminIPTR, Jinnah Sindh Medical University, Karachi, Pakistan.ORCID https://orcid.org/0009-0007-7841-5504

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Purpose: Over half the global population lives in countries where obesity complications cause higher morbidity than underweight status. Obesity, a global epidemic, carries substantial health, social, and economic consequences. Class I obesity (body mass index [BMI] 30-35 kg/m Materials and Methods: A systematic search of PubMed, Google Scholar, Cochrane Central, and ScienceDirect identified retrospective studies (2000-2024) reporting weight loss (%excess weight loss [EWL], %total weight loss, BMI) or comorbidity remission (DM, HTN) with ≥12-month follow-up in class I obesity patients undergoing bariatric surgery. Weight loss outcomes were restricted to sleeve gastrectomy (SG) for consistency. Pooled estimates and odds ratios (ORs) used random-effects models. Results: Nine retrospective studies (1,703 patients) met inclusion criteria. All had critical ROBINS-I bias risk. Following SG, pooled %EWL was 90.16% (95% CI, 71.21-109.11) at 12 months and 75.73% (95% CI, 74.66-76.80) at 24 months. Mean BMI fell to 24.70 kg/m Conclusion: SG achieves substantial sustained weight loss in class I obesity with significant diabetes remission. However, critical bias limits evidence certainty. High-quality prospective trials are urgently needed. Trial Registration: PROSPERO Identifier: CRD420261296751.

Indexed as

Bariatric surgeryClass I obesityDiabetes remissionMeta-analysisSleeve gastrectomyWeight loss

Identifiers

PMID42689315
PMCPMC13537887

What OpenQuestion holds

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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 OpenQuestion graph.