Table 1.
Characteristics of study participants at baseline (N=129).
| Mean ± SD | |
|---|---|
| Age, yrs | 69.7 ± 10.0 |
| Height, cm | 164.2 ± 6.8 |
| Weight, kg | 56.1 ± 9.8 |
| Duration of disease, yrs | 10 (8-17) |
| Muscle and bone indexes | |
| Muscle Fat Area, cm2 | 93.9 ± 20.8 |
| Muscle area, cm2 | 85.5 ± 18.0 |
| Fat area, cm2 | 8.8 ± 5.4 |
| Fat infiltration, % | 0.09 ± 0.04 |
| Muscle density, HU | 36.4 ± 6.9 |
| Vertebrae density, HU | 113.8 ± 43.9 |
| Blood routine examination | |
| Hemoglobin, g/L | 128.9 ± 21.2 |
| Mean hemoglobin concentration, g/L | 325.7 ± 11.3 |
| Mean corpuscular hemoglobin, pg | 30.4 ± 2.1 |
| White blood cell count, 10^9/L | 7.3 ± 2.7 |
| Red blood cell count, 10^12/L | 4.3 ± 0.6 |
| Platelet distribution width, % | 13.8 ± 3.2 |
| Mean platelet volume, fL | 9.6 ± 1.2 |
| Pulmonary function* | |
| FEV1, L | 0.98 (0.61-1.30) |
| FEV1, % | 40.3 (24.5-60.2) |
| FVC, L | 2.4 (2.0-2.8) |
| FVC, % | 77.0 (65.9-96.9) |
| FEV1/FVC | 0.37 (0.28-0.51) |
*Pulmonary function was available for 84 patients.
FEV1, forced expiratory volume in the first second; FVC, forced vital capacity.