Patients | Controls | |
Smoking pack years median (range) | 47.5 (10–150) | 30 (10–80)* |
FEV1 % predicted | 63.7(17.9) | 92.9 (10.6)** |
FFMI (kg/m2) | 18.3 (2.4) | 20.4 (1.7)* |
ISWT (m) | 424 (171) | 563 (221)* |
BMD hip (g/cm2) | 0.93 (0.14) | 1.05 (0.17)* |
BMD lumbar spine (g/cm2) | 1.03 (0.20) | 1.13 (0.22) |
*p<0.05; **p<0.001. BMD, bone mineral density; FFMI, fat-free mass index; ISWT, incremental shuttle walking test.