Delirium in the elderly admitted to an emergency hospital service.

Objective: To check for the presence of delirium in the elderly entering the emergency room (ER) of the University Hospital of Santa Maria (HUSM) and their relationship with sociodemographic variables, reason and time of hospitalization, comorbidities, and death.

Methods: A quantitative, cross-sectional exploratory study, which analyzed data from the sociodemographic profile, Confusion Assessment Method, Charlson Comorbidities Index, and follow-up of the outcomes "in-hospital death" and "length of hospitalization." The period analyzed in the study was between July and December 2019.