Table 1. Patient characteristics (for HBEC).
| Non-smoker (n = 5) |
Non-COPD smoker (n = 5) |
COPD (n = 5) |
p value | |
|---|---|---|---|---|
| Age, years |
63.8 ± 14.2 |
67.2 ± 8.2 |
66.0 ± 4.8 |
NS |
| Male, % of group |
20 |
80 |
100 |
NA |
| Brinkman Index |
0 |
518 ± 374.4 |
1010 ± 391.2 |
NA |
| FEV1/FVC | 73.8 ± 3.9 | 79.1 ± 1.3 | 60.2 ± 12.7 | NA |
Abbreviations: COPD, chronic obstructive pulmonary disease; FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; NA, not assessed; NS, not statistically significant. Values are mean ± SD.