Table 4 Multiple stepwise regression analysis for serum albumin

Calcium (mg/dL)

0.336

0.015

< 0.001

Zinc (μg/dL)

0.005

0.0004

< 0.001

Age

− 0.003

0.0006

< 0.001

Magnesium (mg/dL)

0.206

0.030

< 0.001

Systolic blood pressure (mmHg)

0.001

0.0002

< 0.001

Hs-CRP (mg/dL)^a

− 0.046

0.013

< 0.001

Growth hormone (mg/dL)^a

− 0.008

0.004

< 0.001

Iron (μg/dL)

0.001

0.003

< 0.001

IGF-1 (mg/dL) ^a

0.0003

0.0002

0.004

eGFR (ml/min/1.73 m²)

0.001

0.0003

0.007

Grip (kg)

0.002

0.001

0.013

MMSE (score)

0.005

0.002

0.024