Table 2 Subject characteristics at baseline
Baseline demographics | Total (N = 30) | |
Age – Mean (SD), years | 60.5 (6.6) | |
Age – Range, years | 40–70 | |
Female, n (%) | 6 (20.0) | |
Male, n (%) | 24 (80.0) | |
Active smoker, n (%) | 17 (56.7) | |
Former smoker, n (%) | 13 (43.3) | |
Number of pack-years – Mean (SD), years | 42.9 (16.40) | |
Number of pack-years – Range, years | 14–88 | |
Parameter | Pre-bronchodilator | Post-bronchodilatora |
FEV1 – Mean (SD), L | 1.48 (0.48) | 1.73 (0.41) |
Pre-bronchodilator FVC – Mean (SD), L | 3.27 (0.68) | 3.72 (0.73) |
Percent predicted FEV1 – Mean (SD), % | 51.4 (15.08) | 56.8 (12.96) |
FEV1/FVC – Mean (SD), % | 49.8 (11.12) | 51.9 (12.16) |