| Variables |
Mean ( Sd ) |
Range |
| Age, year |
63 (8) |
46-79 |
| Body mass index, kg/m2 |
22.3 (3.5) |
15-40 |
| COPD duration, year |
5.6 (2.69) |
1-10 |
| Smoking, packet/year |
55(8.3) |
25-100 |
| *FEV1 change, % predicted |
2,4(1.87) |
0,20-6,90 |
| FEV, % predicted |
53.1 (12) |
31-74.30 |
| FVC,% predicted |
70.6 (13) |
38,30-98,00 |
| FEV1/FVC |
55.5 (8.6) |
29,80-70,60 |
| PEF % |
51.6 (16) |
17,10-79,50 |
| FEF25-75 % |
23.1 (7.9) |
9,6-43,9 |
| DLCO/VA, % predicted |
56.3 (17) |
28-78 |
| Total SGRQ |
54.4 (12,9) |
21-73 |
*Reversibility testing with 400 μg inhaled salmeterol, COPD:
chronic obstructive pulmonary disease, FEV1: forced expiratory
volume in 1 second, FVC: Forced vital capacity, PEF: peak expiratory
flow, FEF: forced expiratory flow, /VA: The Carbon monoxide
diffusing capacity divided by alveolar volume, SGRQ; St. George’s
respiratory questionnaire |
