Inclusion Criteria:  Inclusion Criteria Living patients, who presented COVID-19 with admission to the Intensive Care Unit of the National University Hospital of Colombia between April 1, 2020 and March 31, 2021. Patients 18 years of age and older COVID-19 confirmed by PCR test positive for SARS-CoV-19. Signature of informed consent  Exclusion Criteria:  Missing data in the database, referring to the variables of interest Pregnant patients Limitation for communication in Spanish language