Table 1 Patients’ characteristics
Subjects | 181 |
|---|---|
Demographic data | |
Age, years, mean ± sd (range) | 61 ± 12 (21–84) |
Male/Female, n. | 81/100 |
BMI, kg.m−2, mean ± sd | 27 ± 4 |
Smoking status | |
Current smokers, n. (%) | 13 (7) |
Never smokers, n. (%) | 94 (52) |
Past smokers, n. (%) | 74 (41) |
Medical history | |
NYHA Class I, n. | 141 |
NYHA Class II-III, n. | 40 |
Chronic cough and phlegm, n. (%) | 32 (18) |
Asthma, n. (%) | 12 (7) |
COPD, n. (%) | 19 (10) |