Delirium in Older Patients With COVID-19: Prevalence, Risk Factors, and Clinical Relevance

Abstract

Delirium was a prevalent condition in older people admitted with COVID-19 and preexisting cognitive impairment was its main risk factor. Delirium was associated with higher in-hospital mortality. These results highlight the importance of early recognition of delirium especially when premorbid cognitive comorbidities are present.