Table 1.
Patients’ characteristics
| Characteristic | Men (n=66) | Women (n=64) |
|---|---|---|
| Age (yr) | 66.1±12.8 | 64.0±14.5 |
| Body mass index (kg/m2) | 23.0±2.7 | 22.1±3.3 |
| Measured value of dual-energy X-ray absorptiometry | ||
| BMD, lumbar spine (g/cm2) | 1.11±0.24 | 0.91±0.21 |
| BMD, femoral neck (g/cm2) | 0.75±0.12 | 0.61±0.13 |
| Appendicular skeletal muscle mass (kg) | 20.0±3.4 | 13.7±2.4 |
| Whole fat mass (kg) | 16.4±5.3 | 17.6±5.4 |
| Skeletal muscle mass index (kg/m2) | 7.1±0.9 | 5.8±0.8 |
| Measured value of bioelectrical impedance analysis | ||
| Appendicular skeletal muscle mass (kg) | 22.5±3.9 | 15.2±2.3 |
| Whole fat mass (kg) | 12.4±5.4 | 14.9±6.1 |
| Skeletal muscle mass index (kg/m2) | 8.0±1.0 | 6.5±0.8 |
| Patient background | ||
| Osteoporosis | ||
| + | 9 | 27 |
| - | 57 | 37 |
| Skeletal muscle mass index (kg/m2) | ||
| + | 7.4±0.6 | 6.2±0.7 |
| - | 8.1±1.1 | 6.6±1.9 |
| p-value | 0.05 | 0.07 |
| Lumbar spinal stenosis/lumbar disc herniation | 59 | 44 |
| Spinal deformity | ||
| Scoliosis & kyphosis | 3 | 3 |
| Compression fracture | 2 | 11 |
| Lumbar disc disease | 2 | 6 |
Values are presented as mean±standard deviation or number.
BMD, bone mineral density.