Total (n = 198) | |
---|---|
Age, mean (SD), years | 45.0 (11.8) |
Male, n (%) | 86 (43.4) |
Asthma diagnosis, mean (SD), years | 20.4 (13.2) |
Body mass index, mean (SD), kg/m2 | 27.9 (5.3) |
Smoking status, n (%) | |
Current smoker | 1 (0.5) |
Ex-smoker | 51 (25.8) |
Never smoker | 146 (73.7) |
Smoking history, mean (SD), pack-yearsa | 5.4 (2.7) |
Pre-bronchodilator FEV1, mean (SD), L | 2.37 (0.63) |
Post-bronchodilator FEV1, mean (SD), L | 2.92 (0.79) |
Change in FEV1 from pre-bronchodilator (SD), L | 0.55 (0.30) |
Post-bronchodilator FEV1:FVC ratio, mean (SD), % | 71.9 (8.8) |