VAP pathogens and those newly acquired during the therapy
| P. aeruginosa | Acinetobacter spp | S. aureus | Other bacteria | |
| VAP pathogen | 23 (29.5%) | 27 (34.6%) | 12 (15.4%) | 16 (20.5%) |
| Newly acquired | 40 (47.0%) | 16 (18.9%) | 7 (8.2%) | 22 (25.9%) |
VAP pathogens according with BAL culture; newly acquired accoding with surveillance ETAs.