Table 3.
Multiple linear regression analyses of the effects of variables on BDNF level.
| Univariable Analysis | Multivariable Analysis | |||
|---|---|---|---|---|
| β (95% CI) | p Value | β (95% CI) | p Value | |
| Albumin (mg/dL) | −0.025 (−1.83 × 102, 1.35 × 102) | 0.766 | −0.046 (−2.05 × 102, 1.18 × 102) | 0.596 |
| Creatinine (mg/dL) | −0.134 (−5.49 × 102, 0.48 × 102) | 0.100 | −0.106 (−5.19 × 102, 1.27 × 102) | 0.231 |
| BMI (kg/m2) | −0.040 (−0.16 × 102, 0.09 × 102) | 0.624 | −0.086 (−0.23 × 102, 9.505) | 0.410 |
| ALM/BMI (m2) | 0.052 (−1.34 × 103, 2.62 × 103) | 0.526 | −0.059 (−3.83 × 103, 2.37 × 103) | 0.643 |
| Hand grip (kg) | 0.104 (−0.20 × 102, 0.93 × 102) | 0.207 | 0.032 (−0.72 × 102, 0.95 × 102) | 0.791 |
| Walking speed (m/s) | 0.061 (−9.96 × 102, 2.19 × 103) | 0.460 | −0.028 (−2.02 × 103, 1.47 × 103) | 0.757 |
| ECW/TBW | −0.238 (−9.93 × 104, −2.04 × 104) | 0.003 | −0.222 (−1.07 × 105, −8.61 × 103) | 0.022 |
Abbreviation: CI, confidence interval; BMI, body mass index; ALM, appendicular lean mass; ALM/BMI, BMI-adjusted ALM; ECW, extracellular water; TBW, total body water, BDNF, brain-derived neurotrophic factor.