Table 1.
Patients’ characteristics and spirometry indices
| COPD (n=8) |
Controls (n=5) |
P-value | |
|---|---|---|---|
| Sex (M/F) | 6/2 | 5/0 | |
| Age (years) | 71±3 | 58±7 | ns |
| FEV1 (% pred) | 70±10 | 115±12 | <0.05 |
| FEV1/FVC (%) | 55±4 | 77±3 | <0.05 |
| Smoking habit (pack/years) | 59±12 | 51±20 | ns |
Note: Values are presented as mean ± standard deviation.
Abbreviations: COPD, chronic obstructive pulmonary disease; FEV1, forced expiratory volume in the first second; % pred, % predicted; FVC, forced vital capacity; M, male; F, female; ns, not significant.