Unlabelled: We sought to identify the primary causes of death of adult patients admitted to the medical ICU with symptomatic COVID-19 who ultimately suffered in-hospital mortality over the span of three major waves of COVID-19: Wild-type, alpha/epsilon, and delta.
Design: Retrospective single-center cohort study from March 2020 to December 2021.
Setting: One medical ICU in a 600-bed Tertiary Care Hospital in Los Angeles, CA.