Table 2: Patient characteristics.

COPD
(n=51)
OHS
(n=34)
mean SE mean SE
Age at enrolment 66.9 1.3 65.4 1.8
Proportion of males (n; %) 32 63% 17 50%
BMI in kg/m2 34.6 1.4 45.4 1.4
6 MWT in m 206.8 17.9 190.8 24.8
FEV1 in l 1.1 0.1 1.4 0.1
FEV1 in % 42.7 2.5 54.8 3.0
rel. FEV1 0.6 0.0 0.8 0.0
VC in l 2.0 0.1 1.8 0.1
VC in % 55.1 2.1 55.2 2.9
RV in l 4.3 0.3 2.5 0.2
RV in % 191.2 12.7 114.9 7.6
ITGV in l 4.9 0.3 2.9 0.2
ITGV in % 155.5 8.4 97.2 6.9

6 MWT: 6-minute walk test distance, BMI: Body Mass Index, lung function parameters: please refer to abbreviations list. Shown are arithmetic means and standard errors (SE), unless indicated otherwise.