| Models | β | 95% CI | Standard error | P Value |
---|
Gait speed | Model 1 | 0.094** | 0.012 to 0.177 | 0.0417 | 0.025 |
 | Model 2 | 0.097** | 0.021 to 0.172 | 0.038 | 0.013 |
 | Model 3 | 0.161** | 0.048 to 0.275 | 0.057 | 0.006 |
Handgrip strength | Model 1 | 5.172** | 1.717 to 8.627 | 1.744 | 0.004 |
 | Model 2 | 4.956** | 1.851 to 7.291 | 1.373 | 0.001 |
 | Model 3 | 3.825** | 1.093 to 6.556 | 1.378 | 0.007 |
- For gait speed, Model 1: unadjusted model; Model 2: age, BMI, and 25(OH)D; Model 3: Model 2 + albumin, potassium, serum creatinine, and iPTH For handgrip strength, Model 1: unadjusted model; Model 2: age, gender, BMI, and 25(OH)D; Model 3: Model 2 + albumin, bicarbonate, potassium, albumin-adjusted calcium, hs-CRP, serum creatinine, and spKt/V Abbreviations: BMI, body mass index; hs-CRP, high sensitivity C-reactive protein; iPTH, intact parathyroid hormone; spKt/V, single-pool Kt/V; 25(OH)D, 25-hydroxyvitamin D; * P < 0.05; ** P < 0.01