Table 3.
Logistic analysis to evaluate relationships between sarcopenia defined by DXA or CT and clinical, metabolic, and body composition variables including presence of visceral obesity and metabolic syndrome.
| DXA-defined sarcopenia | CT-defined sarcopenia | ||||||
|---|---|---|---|---|---|---|---|
| ASM/height2 | ASM/BMI | tmCSA/weight | |||||
| OR (95% CI)† | P | OR (95% CI)† | P | OR (95% CI)† | P | ||
| BMI | 0.691 (0506–0.945) | 0.021 | 1.340 (1.181–1.520) | <0.001 | 1.256 (1.034–1.526) | 0.022 | |
| Waist circumference | 0.892 (0.798–0.997) | 0.045 | 1.073 (1.022–1.125) | 0.004 | 1.061 (0.975–1.154) | 0.168 | |
| ASM | 0.088 (0.008–0.939) | 0.044 | 0.682 (0.574–0.810) | <0.001 | 0.912 (0.709–1.173) | 0.472 | |
| Systolic blood pressure | 1.004 (0.941–1.072) | 0.902 | 0.991 (0.959–1.023) | 0.565 | 0.983 (0.926–1.044) | 0.575 | |
| Triglycerides | 0.820 (0.302–2.225) | 0.697 | 1.207 (0.787–1.852) | 0.388 | 0.858 (0.307–2.395) | 0.769 | |
| HDL-cholesterol | 1.703 (0.143–20.206) | 0.673 | 0.476 (0.131–1.732) | 0.260 | 0.173 (0.009–3.176) | 0.237 | |
| Fasting plasma glucose | 0.735 (0.241–2.243) | 0.589 | 1.174 (0.859–1.604) | 0.313 | 1.248 (0.641–2.432) | 0.515 | |
| HOMA-IR | 0.926 (0.582–1.474) | 0.747 | 1.226 (1.050–1.431) | 0.010 | 1.146 (0.991–1.324) | 0.066 | |
| hsCRP | 1.103 (0.953–1.277) | 0.189 | 1.036 (0.889–1.208) | 0.650 | 1.007 (0.739–1.372) | 0.964 | |
| 25(OH)D | 0.995 (0.938–1.056) | 0.877 | 0.976 (0.947–1.005) | 0.108 | 0.949 (0.879–1.024) | 0.179 | |
| Presence of visceral obesity | 0.357 (0.068–1.881) | 0.224 | 3.443 (1.126–10.523) | 0.030 | 2.431 (0.274–21.558) | 0.425 | |
| Presence of Metabolic syndrome | 0 | 0.943 | 2.454 (1.118–5.388) | 0.025 | 0.981 (0.216–4.462) | 0.980 | |
CI, confidence interval; OR, odds ratio.
†Each of the independent variables is included in the logistic regression model after adjusting for age, gender, current smoking, alcohol consumption, and physical activity.