Table 3.
Microbiologic features of VAP pathogens
| Pathogen | Phases | Total | |
|---|---|---|---|
| Phase I | Phase II | ||
| Positive Culture (%) | 37 (88) | 29 (93.5) | 66 (90.4) |
| Gram-negative (%) | 36 (97.2) | 27 (93.1) | 63 (95.5) |
| - K-pneumoniae | 32 (86.5) | 23 (79.3) | 55 (83.4) |
| - P-aeruginosa | 2 (5.4) | 4 (13.8) | 6 (9) |
| - E-coli | 2 (5.4) | - (-) | 2 (3) |
| Gram-positive (%) | - (-) | 2 (6.9) | 2 (3) |
| Fungi (%) | 1 (2.7) | 3a (10.4) | 4 (6) |
| MDR (%) | 9 (24.3) | 8 (27.6) | 17 (25.8) |
K klebsiella, P pseudomonas, E Escherichia, MDR multiple-drug resistant, athree cases in phase-II showed combined K pneumonia and candida spp isolates