Table 2 Clinical characteristics of the patients in Western blot analyses
Non-smokers | Smokers | COPD st I–II | COPD st IV | p-value | |
|---|---|---|---|---|---|
Total (n) | 8 | 9 | 9 | 6 | |
Male/Female | 3/4* | 6/3 | 6/3 | 5/1 | |
Age (years) | 64 (12) | 60 (7) | 64 (9) | 53 (6) | |
Pack years | 0 | 36 (15) | 37 (12) | 32 (22) | p < 0.0001 |
FEV1 (l) | 2.9 (1.1) | 3.0 (0.6) | 2.0 (0.5) | 0.5 (0.2) | p < 0.0001 |
FEV1 (% of ref) | 99 (21) | 87 (15) | 68 (14) | 16 (7) | p < 0.0001 |
FEV1/FVC (%) | 88 (6) | 82 (11) | 73 (12) | 35 (12) | p < 0.0001 |
DCO (% of ref) | 92 (20) | 83 (8) | 65 (14) | 29 (8) | p < 0.0001 |
DCO/VA (% of ref) | 95 (19) | 88 (8) | 71 (17) | 38 (10) | p < 0.0001 |