| Mean ± SEM | COPD | Controls | ||
| Age (years) | 63 ± 1 | 61 ± 3 | ||
| FEV1 (% predicted) | 72 ± 2 | 99 ± 6 | ||
| QMVC (kg) | 33 ± 8 | 49 ± 6 | ||
| Smoking (pack-years) | 42 ± 10 | 34 ± 6 | ||
| 6MW (m) | 490 ± 47 | 635 ± 50 | ||
| VL | EB | VL | EB | |
| Mitochondrial ROS (RFU) | 42196 ± 9819 | 244947 ± 78170 | 11983 ± 1408 | 93621 ± 17981 |
| Mitochondrial MP (units) | 4.6 ± 1.0 | 10.3 ± 2.5 | 4.9 ± 1.3 | 13.6 ± 1.5 |
| Intracellular ROS (RFU) | 22131 ± 7195 | 14820 ± 5014 | 727 ± 297 | 752 ± 165 |