used to identify pediatric patients (≤ 20 years old) undergoing MBS from January 2005
through December 2014 (KID for 2006, 2009, and 2012; NIS for every other year). Patients
were identified using procedure codes from the International Classification of Diseases,
Ninth Revision, Clinical Modification, for MBS with a confirmatory diagnosis code for obesity.
Nonelective procedures were excluded, as well as procedures performed for inflammatory …