Table 1. Predictors of length of stay in the ICU among COVID-19 patients using a linear regression model.

	Length of stay in ICU (days)
Predictors	Estimates	CI	P-Value
Age (years)	0.2338	−0.5709–1.0385	0.564
% ACE2 positive (BAL exosomes)	−0.549	−0.7845 –−0.3136	<0.001
Sex [M]	39.7312	−13.3973–92.8596	0.14
Hypertension	12.1199	−81.5270–105.7668	0.797
BAL C. albicans [Positive]	21.05	6.7861–35.3138	0.004
Blood culture final result [Positive]	5.4402	−3.8165–14.6968	0.245
(Intercept)	50.0676	2.4603–97.6750	0.04
Observations	78
R2/R2 adjusted	0.375/0.281

BAL, bronchoalveolar lavage; COVID 19, Coronavirus Disease 2019; ICU, intensive care unit.