Table 2 Subject characteristics of the patients who quitted smoking.
Asymptomatic smokers | Smokers with asthma | Chronic bronchitis/COPD | |
|---|---|---|---|
Subjects (n) | |||
3 mo | 6 | 4 | 7 |
6 mo | 4 | 4 | 1 |
Female/Male | |||
3 mo | 3/3 | 3/1 | 4/3 |
6 mo | 3/1 | 3/1 | 1/0 |
Age yrs | |||
3 mo | 47 ± 6 | 46 ± 2 | 59 ± 11 |
6 mo | 50 ± 5 | 46 ± 2 | 57 |
Pack-yrs | |||
3 mo | 15 ± 10 | 21 ± 18 | 36 ± 14 |
6 mo | 19 ± 11 | 21 ± 18 | 21 |
Post-bronchodilator | |||
FVC L | |||
3 mo | 4.2 ± 0.65 | 3.7 ± 0.68 | 2.9 ± 0.48 |
6 mo | 3.9 ± 0.67 | 3.7 ± 0.68 | 3.5 |
FVC % pred | |||
3 mo | 95 ± 6 | 99 ± 27 | 85 ± 9 |
6 mo | 96 ± 6 | 99 ± 27 | 83 |
FEV1 L | |||
3 mo | 3.5 ± 0.68 | 3.0 ± 0.53 | 2.1 ± 0.43 |
6 mo | 3.2 ± 0.71 | 3.0 ± 0.53 | 2.35 |
FEV1% pred | |||
3 mo | 96 ± 5 | 98 ± 26 | 75 ± 8 |
6 mo | 97 ± 6 | 98 ± 26 | 70 |
FEV1/FVC | |||
3 mo | 83 ± 4 | 82 ± 2 | 71 ± 7 |
6 mo | 82 ± 5 | 82 ± 2 | 82 ± 2 |