Fig. 1

Overall screening process adopted in this research. A The flowchart shows the sample exclusion and inclusion criteria. B The anatomical distributions of the specimen types included in this study are shown. Note: AST, active surveillance test; KP, Klebsiella pneumoniae; ECO, Escherichia coli; AB, Acinetobacter baumannii; PA, Pseudomonas aeruginosa; SA, Staphylococcus aureus; MDRO, multidrug-resistant organism; CRKP, carbapenem-resistant Klebsiella pneumoniae; CRECO, carbapenem-resistant Escherichia coli; CRAB, carbapenem-resistant Acinetobacter baumannii; CRPA, carbapenem-resistant Pseudomonas aeruginosa; MRSA, methicillin-resistant Staphylococcus aureus; BALF, bronchoalveolar lavage fluid