CRITICALLY ILL COVID-19 NON CRITICALLY COVID-19
% of SARS-Cov-2 positive BAL in negative NP swab (ref) 3-18% (ref 34,35) 0-55% (ref. 22-30)
% of coinfections detected by BAL in COVID-19 patients 21-54% (ref 32, 34, 36,38) 2-37% (ref 23-26)
% of infections detected by BAL in negative SARS-Cov-2 16-54% (ref 34-36) 19-63% (ref 22-26)
% of diagnosis of non infectious diseases in which BAL was helpful N/A 18% (ref 23)
Overall % of cases in which BAL was considered clinically helpful 71% (36) 60-67% (ref 23, 25)