Table 2.

Results of microbiologic diagnostics

	Total cohort	ICU COVID-19 patients (n = 52)	Non-ICU COVID-19 patients (n = 47)
Blood cultures collected	87 (87.9%)	51 (98.1%)	36 (76.6%)
Blood cultures positive	19 (19.2%)	17 (32.7%)	2 (4.3%)
Contamination only	3 (3%)	2 (3.8%)	1 (2.1%)
Bronchoscopy performed	44 (44.4%)	41 (78.8%)	3 (6.4%)
Positive result BAL or TS	15 (15.2%)	15 (28.8%)	0
L. pneumophila + S. pneumoniae urinary test performed; positive rate	74 (74.7%); 0	45 (86.5%); 0	29 (61.7%); 0
Clinically relevant bacterial pathogens in BAL/TS	Haemophilus influenzae (n = 4), Pseudomonas aeruginosa (n = 2), Klebsiella pneumoniae (n = 4), Acinetobacter baumannii (n = 1), Staphylococcus aureus (n = 3), Escherichia coli (n = 5), Enterobacter cloacae (n = 1), Serratia marcescens (n = 1), Aspergillus fumigatus (n = 1)
Clinically relevant bacterial pathogens in BC	Pseudomonas aeruginosa (n = 1), Klebsiella pneumoniae (n = 1), Escherichia coli (n = 3), Staphylococcus epidermidis (n = 5), Staph. hominis (n = 1), Enterococcus faecium (n = 1), Candida albicans (n = 3), Candida glabrata (n = 1)
Clinically relevant bacterial pathogens in urine	Pseudomonas aeruginosa (n = 2), Klebsiella pneumoniae (n = 1), Escherichia coli (n = 1)

Data are presented as absolute numbers and relative frequencies (n(%))

BAL broncho alveolar lavage; TS tracheal secret; BC blood culture