Association of Insurance Coverage With Adoption of Sleeve Gastrectomy vs Gastric Bypass for Patients Undergoing Bariatric Surgery.

ABSTRACT:

Importance

Instrumental variables can control for selection bias in observational research. However, valid instruments are challenging to identify.

Objective

To evaluate regional variation in sleeve gastrectomy following insurance coverage implementation as an instrumental variable in comparative effectiveness research.

Design, setting, and participants

This serial cross-sectional study included adult patients in a national Medicare claims database who underwent sleeve gastrectomy or Roux-en-Y gastric bypass from 2012 to 2017. Data analysis was performed from January to June 2021.

Exposures

Laparoscopic sleeve gastrectomy and Roux-en-Y gastric bypass.

Main outcomes and measures

The association of the instrumental variable with treatment (ie, undergoing s

SUBMITTER: Howard R 

PROVIDER: S-EPMC9389353 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature