Table 1 Subject characteristics of all the patients recruited for the smoking cessation.
Non-smoking controls | Asymptomatic Smokers | Smokers with smokers | Chronic asthma bronchitis/COPD | |
|---|---|---|---|---|
Subjects (n) | 30 | 25 | 15 | 21 |
Female/male | 7/23 | 15/10 | 9/6 | 14/7 |
Age yrs | 56 ± 8 | 42 ± 12 | 42 ± 12 | 56 ± 10 |
Pack-yrs | 4 ± 8 | 23 ± 15 | 22 ± 14 | 39 ± 15 |
Post-bronchodilator | ||||
FVC L** | 4.9 ± 0.71 | 3.9 ± 0.60 | 4.2 ± 0.70 | 3.0 ± 0.66 |
FVC % pred | 102 ± 9 | 99 ± 14 | 103 ± 17 | 102 ± 38 |
FEV1 L** | 4.0 ± 0.65 | 3.2 ± 0.49 | 3.5 ± 0.55 | 2.1 ± 0.72 |
FEV1% pred* | 104 ± 12 | 97 ± 8 | 99 ± 14 | 79 ± 8 |
FEV1/FVC | 82 ± 4.4 | 83 ± 1 | 80 ± 9 | 69 ± 15 |