CRP and ventilator-associated pneumonia: The inflammatory parameters differed substantially within the VAP cohort at the days of breath sampling, as exemplified by C-reactive protein reaching its maximum value of 18.54 mg/dL for a patient with E. coli + K. pneumoniae + P. aeruginosa strains coinfection and the maximum value of 497.96 mg/dL for a patient infected with a sole P. aeruginosa isolate.