Table 1.: Characteristics of the study participants.

Characteristics Patients (n = 37)
M/F ratio
Mean age (yrs)
BMI (kg.m-2)

Smoking status
Daily smokers
Pack-years smoked
Ex-smokers

Dyspnea (MRC score)
Sputum production

Mean FVC value (% pred.)
Mean FEV1 value (% pred.)

Chronic colonisation
Pseudomonas aeruginosa
Other microorganisms

Number of lobes affected

Exacerbation in previous year
Hospitalization in previous year

Chronic treatment in previous year
Systemic antibiotics
Macrolides
Oral corticosteroids
0.8
63.4 ± 8.1
24.3 ± 3.7


14 (37.8%)
12.8 ± 5.7
5 (13.5%)

1.83 ± 0.63
29 (78.4%)

73.8 ± 11.4
57.6 ± 8.7


3 (8.1%)
6 (16.3%)

2. 25 ± 0.78

2.12 ± 0.54
1.14 ± 0.37


8 (21.6%)
3 (8.1%)
6 (16.3%)

Numerical data are expressed as a mean value with standard deviation; the frequencies as a number and percentage of patients with certain variableM: male; F: female; yrs: years; BMI: body mass index; kg: kilogram; m: meter; MRC: Medical Research Council; FVC: forced vital capacity; FEV1: forced expiratory volume in 1 second; % pred.: % of predicted value.