In this aging society, older patients are more commonly undergoing emergency general surgery (EGS).

Although frailty has been associated with worse outcomes in this population, EGS encompasses a heterogeneous mix of procedures.

Objective: To determine if the association of frailty with morbidity and mortality in EGS patients varies based on the level of procedural risk.

This cross-sectional study analyzed Medicare inpatient claims file (January 2007-December 2015) and included all inpatients who underwent 1 of 7 previously described EGS procedures shown to represent 80% of EGS volume, complications, and mortality nationally.

Analysis took place from September 2019 to January 2020.

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