Table 2.
Multiple linear regression analysis to identify clinical and metabolic variables associated with ASM/height2, ASM/BMI, or tmCSA/weight.
| DXA | CT | |||||
|---|---|---|---|---|---|---|
| ASM/height2 | ASM/BMI | tmCSA/weight | ||||
| Coefficient (SE) | P | Coefficient (SE) | P | Coefficient (SE) | P | |
| Age (years) | −0.022 (0.005) | <0.001 | −0.003 (0.001) | <0.001 | −0.002(0.001) | 0.084 |
| Gender (M/F) | 1.424 (0.100) | <0.001 | 0.268 (0.013) | <0.001 | 0.315 (0.027) | <0.001 |
| Physical activity | 0.042 (0.011) | <0.001 | 0.079 (0.023) | <0.001 | ||
| Alcohol consumption | −0.021 (0.013) | 0.103 | −0.071 (0.026) | 0.007 | ||
| Systolic blood pressure (mmHg) | 0.015 (0.004) | <0.001 | −0.001 (0.001) | 0.085 | −0.002 (0.001) | 0.007 |
| Total cholesterol (mmol/L) | −0.128 (0.058) | 0.027 | ||||
| Triglycerides (mmol/L) | 0.224 (0.058) | <0.001 | −0.034 (0.012) | 0.005 | ||
| HOMA-IR | −0.009 (0.002) | <0.001 | −0.020 (0.005) | <0.001 | ||
| HDL-cholesterol (mmol/L) | 0.245 (0.153) | 0.110 | ||||
| 25(OH)D (mmol/L) | 0.002 (0.001) | 0.023 | ||||
| Adjusted R 2 | 47.6% | 67.4% | 48.0% | |||
The following covariates were considered independent variables prior to stepwise variable selection approach: age, gender, alcohol consumption, smoking status, physical activity, systolic blood pressure, total cholesterol, triglycerides, HDL-cholesterol, HOMA-IR, hsCRP, 25(OH)D values.