Groups (N) | Age | Sex | FEV1 | FEV1/FVC | Smokers |
---|---|---|---|---|---|
(years) | (women/men) | (% predicted) | (% predicted) | (%) | |
COPD (335) | 67.9 ± 9.2 | 248/87b | 55.5 ± 18.5b | 52.2 ± 16.0b | 100b |
CTR (309) | 68.0 ± 6.6 | 80/229 | 91.7 ± 22.8 | 89.2 ± 25.8 | 35.5 |
CTR smokers (110) | 68.4 ± 5.2 | 73/37 | 93.3 ± 22.0 | 91.1 ± 19.5 | 100 |
CTR non-smokers (199) | 65.8 ± 9.6 | 157/42 | 91.0 ± 23.6 | 88.1 ± 28.7 | 0 |
COPDa (60) | 70.4 ± 9.0 | 13/47b | 46.6 ± 18.5b | 58.1 ± 16.4b | 100b |
CTRa (61) | 67.8 ± 6.7 | 46/15 | 90.4 ± 22.5 | 92.6 ± 23.2 | 37.7 |
CTR smokersa (23) | 67.7 ± 5.6 | 15/8 | 93.2 ± 21.9 | 88.2 ± 16.4 | 100 |
CTR non-smokersa (38) | 67.9 ± 7.6 | 31/7 | 90.6 ± 22.0 | 90.7 ± 18.0 | 0 |