| AO pre-exercise | AO post-exercise | NAO pre-exercise | NAO post-exercise | |
| FEV1 | ||||
| (L ± SD) | 4.53 ± 0.96 | 4.14 ± 093 | 4.8 ± 0.62 | 4.86 ± 0.62 |
| (% predicted ± SD) | (96 ± 14.9) | (90 ± 15.7) | (100 ± 11.8) | (101 ± 12.3) |
| (L ± SD) | 5.79 ± 1.04 | 5.52 ± 1.06 | 5.92 ± 0.68 | 5.93 ± 0.68 |
| (% predicted ± SD) | (105 ± 11.2) | (100 ± 11.7) | (102 ± 10.4) | (103 ± 10.6) |
AO, airflow obstruction; NAO, no airflow obstruction.