COVID-19 as an effect modifier of the relationship between age and in-hospital survival in older patients admitted to an Italian Emergency Department.

Background: The SARS-CoV-2 pandemic modified how persons got into contact with emergency services, particularly during the first wave.

Aim: The aim is to describe the characteristics of older persons with and without COVID-19 visiting the Emergency Department of a tertiary hospital and to investigate the impact of age on in-hospital survival in the two groups.

Methods: Patients older than 70 years were followed-up till discharge or in-hospital death.