The clinical frailty scale, but not the FRAIL checklist is associated with mortality in old critically ill patients with COVID-19

Affiliations

• ¹ Department of Internal Medicine, General Hospital Oberndorf, Teaching Hospital of the Paracelsus Medical University Salzburg, Salzburg, Austria.
• ² Center for Public Health and Healthcare Research, Paracelsus Medical University of Salzburg, Salzburg, Austria.
• ³ Department of Research and Development, Haukeland University Hospital, University of Bergen, Bergen, Norway.
• ⁴ General Intensive Care, St. George's University Hospital NHS Foundation Trust, London, UK.
• ⁵ Service de Réanimation Médicale, Hôpital Saint-Antoine, Institut Pierre-Louis d'épidémiologie et de santé publique, Hôpital Saint-Antoine, Sorbonne Université, Paris, France.
• ⁶ Division of Cardiology, Pulmonology, and Vascular Medicine, Department of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, Heinrich-Heine University Düsseldorf, Moorenstraße 5, 40225, Düsseldorf, Germany. christian.jung@med.uni-duesseldorf.de.