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Positive results of bronchoscopic methods in 60 VAPs
| Method | Threshold (CFU/ml) | Positive cultures; n = 60 VAPs |
| BAL | 104 | 56 (90%) |
| TBS | 105 | 56 (90%) |
| PSB | 103 | 50 (83%) |
| TBS | 106 | 30 (50%) |
BAL, bronchoalveolar lavage; CFU, colony-forming units; PSB, protected specimen brush; TBS, tracheobronchial secretion; VAP, ventilator-associated pneumonia.
