Table 2.
Muscle characteristics in COPD patients and controls.
| COPD (N=78) | Control (N=60) | p-value | |
|---|---|---|---|
| CAG (cm) | 17.31±2.15 | 23.65±2.78 | <0.01 |
| CTG (cm) | 31.63±4.11 | 44.82±3.09 | <0.01 |
| CCG (cm) | 24.07±2.17 | 29.38±2.84 | <0.01 |
| SMM (kg) | 18.26±2.24 | 25.33±3.13 | <0.01 |
| SMM/Wt (%) | 28.85±3.99 | 40.27±3.77 | <0.01 |
| FFM (kg) | 41.28±3.91 | 53.27±2.28 | <0.01 |
| FFMI (kg/m2) | 16.27±2.06 | 22.64±2.73 | <0.01 |
CAG, skinfold corrected upper-arm girth; CTC skinfold corrected thigh girth; CCG, skinfold corrected calf girth; SMM, total body skeletal mass; Wt, weight; FFM, fat-free mass; FFMI, fat-free mass index.