Table 1
Details of subjects with obstructive airways disease
Total (n = 353)
Men
Women
On treatment
before study
Obstructive airways disease
58 (16.4%)
26
32
28
Asthma
23 (6.5%)
8
15
15
COPD
35 (9.9%)
18
17
13
COPD = chronic obstructive pulmonary disease.