Smoking cessation group | Usual care | |
COPD patients n | 247 | 231 |
1-yr quit rate | 52 | 7 |
3-yr quit rate | 38 | 10 |
Subjects who used NRT | 28 | 14 |
Subjects who used bupropion SR | 5 | 5 |
Data are presented as %, unless otherwise stated. NRT: nicotine replacement therapy. Data from [16].