Table 1 Characteristics of the two groups
COPD patients (n = 52) 43 M, 9 F (Mean ± SD) | Healthy subjects (n = 25) 19 M, 6 F (Mean ± SD) | p | |
|---|---|---|---|
Age, yr | 65,8 ± 8,3 | 65.9 ± 9.6 | 0.789 |
Weight, kg | 71,1 ± 13,6 | 77.2 ± 10.1 | 0.037 |
Height, cm | 166,48 ± 7,11 | 167.56 ± 6.91 | 0.669 |
BMI, kg/m 2 | 25,6 ± 4,1 | 27.9 ± 4.1 | 0.029 |
Fat mass, kg | 21,5 ± 6,6 | 25.9 ± 7.3 | 0.011 |
Fat free mass, kg | 49,6 ± 9,0 | 51,2 ± 7,9 | 0.427 |
% FM | 29,8 ± 5,1 | 31.6 ± 6.3 | 0.211 |
FVC %Pred | 62,4 ± 14,3 | 92.6 ± 6.6 | 0.000 |
FEV 1 %Pred | 44,1 ± 11,4 | 89.9 ± 8.0 | 0.000 |
PaO 2 mmHg | 58,2 ± 12,5 | 87.6 ± 4.6 | 0.000 |
PaCO 2 mmHg | 47,1 ± 10,8 | 39.2 ± 2.5 | 0.000 |