BMI | FFM%IBW | Serum albumin | Serum transthyretin | |
Pa,O2 room air | −0.14 | −0.30 | 0.18 | ns |
<0.001 | <0.001 | <0.0001 | ||
Pa,CO2 room air | ns | ns | ns | −0.18 |
<0.0001 | ||||
FEV1 % pred | 0.32 | 0.24 | ns | 0.10 |
<0.0001 | <0.001 | <0.05 | ||
FVC % pred | 0.27 | 0.35 | ns | 0.10 |
<0.0001 | <0.0001 | <0.05 | ||
6-min walking test | 0.12 | 0.27 | ns | ns |
<0.01 | 0.0001 |
BMI: body mass index
FFM%IBW: fat-free mass per cent ideal body weight
FVC: forced vital capacity
FEV1: forced expiratory volume in one second
Pa,O2: oxygen tension in arterial blood
Pa,CO2: carbon dioxide tension in arterial blood
ns: not significant
Correlation co-efficients and p-values between nutritional and functional parameters are given using Fisher's Z test