Table. PcO2 during bronchoscopy.
| Room air | O2 2L/min | O2 4L/min | |
| NC administration | 77,8 ± 8.0 | 105,3 ± 15.0 | 124,9 ± 23.6 |
| T administration | 78,4 ± 9.0 | 145,0 ± 44.5* | 180,6 ± 57.8* |
Pc02 (mm Hg) at different O2 flow rates ; mean ± SD; * Paired t-test p < 0.01