Number of respiratory specimens recovered from patients who yielded growth of Pseudomonas aeruginosa (Pseudomonas+) and from all patients
| t1 | t2 | |||
| Pseudomonas+ | Total | Pseudomonas+ | Total | |
| Oropharynx | 14 (36.8) | 25 (65.8) | 15 (48.4) | 29 (93.5) |
| Sputum | 13 (34.2) | 22 (57.9) | 5 (16.1) | 6 (19.4) |
| Bronchoscopy | 18 (47.4) | 38 (100) | 16 (51.6) | 31 (100) |
Data are presented as n (%)
t1: first specimens (n=38)
t2: second specimens (n=31)
Seven patients had quit the study at the time of the second investigation