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Number of patients and mortality rate (%) according to the presence of a severe clinical presentation, Charlson comorbidities ≥3, and frailty assessed by the Clinical Frailty Scale (CFS). Frailty was defined as Fit for CFS scores 1 to 3, vulnerable for CFS scores 4 to 6, and frail for CFS scores 7 to 9. Green is for mortality 0% to 33%, yellow for mortality 33% to 66%, and red for mortality >66%.
