Table 3– Comparisons of cyanide concentration between groups of bronchoalveolar lavage (BAL) samples with different microbiological status, with and without neutrophil number as a covariate
Groups comparedp-value
No covariatesNeutrophil number as covariate
Uninfected versus non-P. aeruginosa#0.0610.23
Non-P. aeruginosa versus P. aeruginosa0.005*0.11
P. aeruginosa versus uninfected<0.001*0.002
  • P. aeruginosa: Pseudomonas aeruginosa. #: the non-P. aeruginosa group comprises BALs containing microorganisms other than P. aeruginosa.