Last updated August 22, 2026
Key finding
HbA1c decreased from 7.90% to 6.66% after 3 months.
This study evaluated the DiaRem scoring system's sensitivity in predicting diabetes resolution post-bariatric surgery in morbidly obese patients.
Quick read
The essential study design details in one scan.
EvidenceScore™
Moderate
Study type
Non-randomized CT
Follow-up
Short-Term (≤3 mo)
Risk of bias
High Risk
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Plain-language summary
A plain-language read of the study’s main message and where it applies.
Study focus
This study evaluated the DiaRem scoring system's sensitivity in predicting diabetes resolution post-bariatric surgery in morbidly obese patients.
The findings highlight the potential of bariatric surgery as an effective treatment for Type 2 diabetes in morbidly obese patients. Understanding the predictive value of the DiaRem score can help clinicians tailor interventions and improve patient outcomes, ultimately addressing the growing obesity and diabetes epidemic.
Non-randomized study design may introduce bias. Sample size and demographic details were not specified. Unclear generalizability to non-morbidly obese populations.
Published in
Publication details and source links for this paper.
Alexander M, John RA, Bandar SA, et al. Sensitivity of the DiaRem Scoring System for Predicting Resolution of Type 2 Diabetes in Morbidly Obese Patients Undergoing Bariatric Surgery. Cureus. 2021;13(11):e20064. doi:10.7759/cureus.20064
HbA1c decreased from 7.90% to 6.66% after 3 months.
HbA1c decreased from 7.90% to 6.21% after 6 months.
HbA1c decreased from 7.90% to 6.12% after 12 months.
Fasting blood glucose decreased from 11.4 mmol/L before surgery to 6.34 mmol/L after surgery.
Evidence network
Understand where this research contributes within the broader evidence network.
This study contributes evidence to Bariatric surgery and Distribution of DiaRem scores among patients, Fasting blood sugar (FBS), HbA1c.
This study contributes evidence to
Primary intervention
Bariatric surgery
Primary outcomes
Evidence topics
Primary intervention
Intervention and outcome relationships this study adds to the evidence network.
Editorial context
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Evidence network role
This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.
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Contributes evidence
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Primary evidence
Evidence relationship
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Evidence relationship
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Core evidence
The primary outcomes reported in this study.
Bariatric surgery → Distribution of DiaRem scores among patients
Bariatric surgery → Distribution of DiaRem scores among patients
Bariatric surgery → Fasting blood sugar (FBS)
Bariatric surgery → Fasting blood sugar (FBS)
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Relationships organized using the Dediabetes Evidence Intelligence™ framework.
This study contributes to evidence on Bariatric Procedures and HbA1c, Bariatric Procedures and Distribution of DiaRem scores among patients.
This study contributes to the evidence on the following intervention-outcome relationships.
Procedures
Curated evidence collections and hubs this study is part of.
All studies on Bariatric Procedures
Contributes to Bariatric Procedures evidence base.
All studies measuring HbA1c
Measures HbA1c as a key outcome.
All studies measuring Distribution of DiaRem scores among patients
Measures Distribution of DiaRem scores among patients as a key outcome.
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2 results
1 results
2 results
2 results
1 results
Generated from the study's connected evidence using Evidence Intelligence™.
Bariatric Procedures may improve Fasting Glucose.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
Fasting blood sugar (FBS)
EvidenceScore™ Emerging | EvidenceScore™ 50.7 | neutral | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on 5 supporting studies with consistent results and a positive effect signal.
Limitations
Bariatric Procedures appears to improve HbA1c.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
HbA1c
EvidenceScore™ Moderate | EvidenceScore™ 65.3 | strong positive | ConsistencyScore™ Consistent | 1 study
Why this answer: This answer is based on 4 supporting studies with consistent results and a positive effect signal.
Limitations
Current evidence does not show a clear benefit of Bariatric surgery for Distribution of DiaRem scores among patients.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Distribution of DiaRem scores among patients
EvidenceScore™ Emerging | EvidenceScore™ 50.7 | neutral | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
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