Methods
The GERIA-COVID study is a longitudinal observational study conducted in the geriatric acute care unit dedicated to COVID-19 patients in the University Hospital of Angers, France, during the first wave of the COVID-19 pandemic (ClinicalTrials.gov NCT04560608). All baseline characteristics were retrospectively collected from patients’ medical records, including data related to COVID-19, vital measurements, medical history, standardized geriatric assessment, usual treatments, standardized clinical examinations and blood tests on hospital admission.