| | Control | COPD Stage IV | IPF |
|---|
Patients, n | 4 | 4 | 4 |
Age, yr | 59 ± 7 | 58 ± 4 | 54 ± 5 |
Sex, M/F | 3/1 | 1/3 | 3/1 |
Pack years, yr | < 12 * | 32 ± 2*** | 15** |
FEV1 (%) | 89 ± 10 | 12 ± 2*** | 38 ± 3*** |
FVC (%) | 77 ± 1 | 31 ± 4 *** | 35 ± 3*** |
- Data are presented as mean ± SEM.
- * Three of the controls were never smokers and one of the controls had smoked 10 to 12 years but stopped smoking at least 2 years before the study.
- ** Three of the IPF patients were never smokers and one of the IPF patients had smoked but stopped smoking 30 years before the surgery.
- *** p < 0.05 versus control subjects. All patients with COPD stage IV had been smoked but stopped smoking at least 2 years before the study.
