Abstract
Objectives: The aim of this study was to determine if being unable to stand at ICU discharge was associated with an increased probability of ICU readmission. Design: A multicenter retrospective cohort study was conducted using the Toronto Intensive Care Observational Registry (iCORE) project. Setting: Nine tertiary academic ICUs in Toronto, Canada, affiliated with the University of Toronto. Patients: All patients admitted to ICUs participating in iCORE from September 2014 to January 2020 were included. Patients had to be mechanically ventilated for more than 4 hours to be included in iCORE. Exclusion criteria were death during the initial ICU stay, transfer to another institution not included in iCORE at ICU discharge, and a short ICU stay defined as less than 2 days. Interventions: None. Measurements and Main Results: The main exposure in this study was the inability of the patient to stand at ICU discharge, documented daily in the database within the ICU Mobility Scale. The primary outcome of this study was readmission to the ICU. After adjusting for potential confounders, being unable to stand at ICU discharge was associated with increased odds of readmission (odds ratio, 1.85; 95% CI, 1.31–2.62; p < 0.001). Conclusions: In patients with an ICU stay of 2 days or more, being unable to stand at ICU discharge is associated with increased odds of readmission to the ICU.
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