Table 1.
Characteristics of the study participants.
| Characteristics | Patients (n = 117) |
|---|---|
| Male/female (N%) | 65/52 (55.6/44.4) |
| Mean age (years) | 53 ± 15.1 |
| BMI (kg/m2) | 27.3 ± 5.6 |
| FVC (%) | 64.2 ± 21.2 |
| FEV1 (%) | 55.5 ± 21.2 |
| FEV1/FVC (%) | 70.1 ± 13.7 |
| Pack-years smoked | 9.7 ± 14.8 |
| Ex-smokers, N (%) | 30 (25.6) |
| Never smokers, N (%) | 68 (58.1) |
| Current smokers, N (%) | 19 (15.3) |
| CRP (mg/L) | 10.4 ± 8.0 |
| N/L ratio | 2.2 ± 1.5 |
| WBC (/mm3) | 8449 ± 2449 |
| Pseudomonas aeruginosa, N (%) | 11 (9.4) |
| Other microorganisms, N (%) | 11 (9.4) |
| Number of affected lobes | 2.6 ± 1.0 |
| Exacerbations in previous year | 2.0 ± 2.3 |
| Number of hospitalizations in the last two years | 0.3 ± 0.6 |
BMI, body mass index; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 second; FEV1/FVC, forced expiratory volume in 1 second/forced vital capacity; N/L ratio, neutrophil/lymphocyte ratio.