From: Persistence of oxidant and protease burden in the airways after smoking cessation
 | Non symptomatic | Bronchitis/COPD | Asthma |
---|---|---|---|
Number | 25 | 21 | 15 |
Age, yr | 41 (18–64) | 56 (41–72) | 42 (18–58) |
Sex M/F | 11/14 | 7/14 | 5/10 |
FEV1 (%pred) | 97,8 (86–126) | 76,8 (25–109) | 95,6 (61–127) |
FVC (%pred) | 98,6 (40–124) | 99 (50–203) | 100,5 (36–139) |
FEV1/FVC ratio% | 82,6 (71–109) | 66,7 (28–87) | 76,6 (74–79) |
DLCO/VA | 87 (50–118) | 53,3 (28–77) | 85,4 (57–107) |
Pack years | 22 (4,5–60) | 39 (17–75) | 22 (6–48) |