Table 1.

Clinical characteristics of patients.

Parameter	COVID-19 N (if applicable); % or range	Influenza N (if applicable); % or range
Sex
male	13; 68 %	8; 80%
female	6; 32%	2; 20%
Age: mean (years; range)	73; 60–91	76; 53–84
Length of ICU stay (days; range)	9; 0–36	8; 0–32
Cause of death
respiratory failure	12; 63%	7; 70%
cardiorespiratory failure	4; 21%	2; 20%
multiorgan failure	3; 16%	1; 10%
Comorbidities
cardiovascular disease	15; 79%	6; 60%
hypertension	19; 100%	10; 100%
diabetes mellitus	7; 37%	5; 50%
chronic kidney disease	2; 11%	0; 0%