Variables | HC (n = 12) | HS (n = 10) | COPD (n = 20) |
---|---|---|---|
Age, years | 52.1 ± 1.0 | 55.5 ± 2.0 | 59.1 ± 1.7 |
Gender (male/female) | 10/2 | 10/0 | 19/1 |
Smoking (pack-year) | – | 40.8 ± 3.4 | 42.5 ± 5.5 |
FEV1(% predicted) | 103.1 ± 1.5 | 98.7 ± 2.9 | 62.1 ± 5.5 ***,### |
FEV1/FVC (%) | 84.0 ± 0.7 | 83.4 ± 0.1 | 54.0 ± 2.7 ***,### |
White blood cell (× 109/L) | 6.1 ± 0.4 | 6.4 ± 0.4 | 6.6 ± 0.3 |