From: An investigation of the resolution of inflammation (catabasis) in COPD
COPD patients | Smokers with normal spirometry | Non smokers | Overall p value | |||
---|---|---|---|---|---|---|
Current smokers | Former smokers | Current smokers | Former smokers | |||
N | 10 | 11 | 11 | 11 | 13 | |
Age, years | 64 ± 9 | 69 ± 10* | 55 ± 8+ | 66 ± 10 | 62 ± 9 | <0.01 |
Males, n (%) | 10 (100) | 10 (91) | 8 (73) | 9 (82) | 3 (23) | <0.0001 |
Smoking exposure, pack-yr. | 64 ± 41 | 58 ± 22 | 47 ± 26 | 64 ± 13 | _ | NS |
FEV1 / FVC1, % | 56 ± 12& | 54 ± 7& | 77 ± 7 | 77 ± 6 | 83 ± 4 | <0.0001 |
FEV1, % reference | 70 ± 12& | 67 ± 11& | 97 ± 14 | 96 ± 19 | 98 ± 11 | <0.0001 |