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Demographic and clinical data of the study population (n = 25)
| Variables (n) | |
|---|---|
| Age, year (n = 25) (mean ± SD) | 67.5 (± 8.3) |
| Sex (M/F) (n = 25) | 17/8 |
| Smoking history | |
| Ex smoker (n) % | 13 (52%) |
| No smoker (n) % | 11 (44%) |
| Smoker (n) % | 1 (4%) |
| PY (mean ± SD) | 25.4 (± 34.2) |
| MRC chronic dyspnea score | |
| 0.0 (n) % | 2 (8%) |
| 1.0 (n) % | 8 (32%) |
| 2.0 (n) % | 8 (32%) |
| 3.0 (n) % | 6 (24%) |
| 4.0 (n) % | 1 (4%) |
| 5.0 (n) % | 0 (0%) |
M/F Male/Female, PY Pack/years
