|
Patient characteristics at baseline
|
Control (n = 25)
|
Intervention (n = 17)
|
|---|
|
Gender, m (%)
|
12 (48)
|
9 (53)
|
|
Age in years, mean (SD)
|
67 (9)
|
70 (7)
|
|
BMI, mean (SD)
|
25 (7)
|
27 (5)
|
|
Active smoker, yes (%)
|
8 (32)
|
8 (47)
|
|
Packyears, mean (SD)
|
46 (22)
|
53 (22)
|
|
N of cigarettes per day, mean (SD)
|
15 (12)
|
7 (3)
|
|
Years since stopped smoking, mean (SD)
|
9 (8)
|
12 (10)
|
|
N of exacerbations in last 12 months, mean (SD)
|
0.4 (0.7)
|
0.3 (0.4)
|
|
6MWD, m, mean (SD)
|
448 (72)
|
470 (90)
|
|
FVC, l, mean (SD)
|
2.6 (0.8)
|
2.7 (0.7)
|
|
FVC %, mean (SD)
|
77.1 (14)
|
85.5 (26)
|
|
FEV1, l, mean (SD)
|
1.1 (0.4)
|
1.3 (0.4)
|
|
FEV1, %, mean (SD)
|
45.6 (16)
|
52.5 (20)
|
|
FEV1_FVC, mean (SD)
|
53.6 (16)
|
56.7 (14)
|
- n, number; SD, standard deviation; %, percentage; BMI, body mass index; 6MWD, six minutes walking distance; m, meter; FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity; l, volume
