Sociodemographic Trends in Bariatric Surgery Utilization in the USA

Obesity Surgery, 03/14/2012

From 1998 to 2007, the sociodemographic characteristics of the bariatric surgery population have changed, although those that are disproportionately affected by morbid obesity continue to be underrepresented.

  • Although bariatric surgery has become more accessible in recent years, it is unclear whether populations disproportionately affected by obesity are utilizing this treatment.
  • A cross–sectional analysis of the Nationwide Inpatient Sample was performed.
  • The sociodemographic characteristics (race, sex, age, insurance, median income), co–morbidities, and weight loss surgery type were analyzed.
  • Bariatric surgeries increased six–fold from 17,678 in 1998 to 112,882 in 2004 (p<0.001).
  • Thereafter, bariatric surgeries declined to 93,733 in 2007 (p=0.24).
  • The proportion of individuals of Other race undergoing bariatric surgery significantly increased, while the proportion of Whites significantly decreased over time.
  • The proportion of individuals in the lowest income quartile (< 25,000) increased, while those in the highest income percentile (> 45,000) decreased.

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