Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program: Bariatric Surgical Risk/Benefit Calculator: 1-year comorbidity remission

Arielle Grieco, Kristopher M. Huffman, Mark E. Cohen, Bruce L. Hall, John M. Morton, Clifford Y. Ko

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Clinical calculators can provide patient-personalized estimates of treatment risks and health outcomes. The American College of Surgeons Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP) set out to create a publicly available tool to assess both short-term postoperative risk and long-term benefits for prospective adult patients eligible for 1 of 4 primary bariatric procedures. The calculator is comprised of multiple prediction elements: (1) 30-day postoperative risk, (2) 1-year body mass index projections, and (3) 1-year comorbidity remission. Objectives: To assess the performance of the 1-year comorbidity remission prediction feature of the calculator. Setting: Not-for-profit organization clinical data registry. Methods: MBSAQIP data across 4.5 years from 240,227 total patients indicating at least 1 comorbidity of interest present preoperatively and who had a 1-year follow-up record documenting their comorbidity status were included. Six models were constructed, stratified by the presence of the respective preoperative comorbidity: hypertension, hyperlipidemia, gastroesophageal reflux disease, sleep apnea, non-insulin-dependent diabetes, and insulin-dependent diabetes. A multinomial logistic regression model was used to predict 1-year remission (total, partial, or no remission) of insulin-dependent diabetes. All other outcomes were binary (yes or no at 1 yr), and ordinary logistic regression models were used. Results: All models showed adequate discrimination (C statistics ranging from .58 to .68). Plots of observed versus predicted remission (%) showed excellent calibration across all models. Conclusion: All remission models were well calibrated with sufficient discrimination. The MBSAQIP Bariatric Surgical Risk/Benefit Calculator is a publicly available tool intended for integration into clinical practice to enhance patient–clinician discussions and informed consent.

Original languageEnglish
Pages (from-to)275-282
Number of pages8
JournalSurgery for Obesity and Related Diseases
Volume20
Issue number3
DOIs
StatePublished - Mar 2024

Keywords

  • 1-Year remission
  • Bariatric surgery
  • Benefits of bariatric surgery
  • Calculator
  • Comorbidity
  • Diabetes
  • Gastroesophageal reflux disease (GERD)
  • Hyperlipidemia
  • Hypertension
  • Informed consent
  • Long-term outcomes
  • Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP)
  • Multimorbidity
  • Obesity-related disorder
  • Postoperative comorbidity remission
  • Shared decision-making
  • Sleep apnea

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