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Benjamin Clapp1, Lauren Lu2, John Corbett1

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Summary
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The Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP) database shows acceptable data quality from 2015-2019. Ongoing efforts are still needed to improve bariatric surgery data completeness and accuracy.

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Area of Science:

  • Bariatric surgery outcomes research
  • Health informatics
  • Quality improvement in healthcare

Background:

  • The Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP) database collects data from accredited centers in the US.
  • Previous studies indicated data quality issues in the MBSAQIP database, potentially limiting its utility.

Purpose of the Study:

  • To evaluate the completeness and data quality of the MBSAQIP database from 2015 to 2019.
  • Assess internal validity, accuracy, and consistency of collected data.

Main Methods:

  • Compiled all MBSAQIP Participant User Data File (PUDF) subsets into a main file.
  • Evaluated completeness (missing values), internal validity (BMI <30 for primary surgery), accuracy (reported vs. calculated BMI), and consistency (BMI change).
  • Used chi-squared tests to assess changes across years.

Main Results:

  • Missing data for age, BMI, and ASA remained consistently low (<2.5%) with no significant yearly differences.
  • Very few patients (<0.02%) undergoing primary bariatric surgery had a reported BMI <30 kg/m².
  • Mean BMI difference was minimal (-0.02 units), and significant BMI changes (>5 or >20 units) were rare in early follow-up.

Conclusions:

  • The MBSAQIP database demonstrates acceptable data quality with minimal changes observed between 2015 and 2019.
  • Despite acceptable quality, continuous efforts are necessary to further enhance data completeness and accuracy in bariatric surgery registries.