Table 2 Spearman correlation analysis between depression severity and clinical parameters

hs-CRP

0.133^*

0.012

Gender, female (%)

-0.001

0.979

Age (years)

-0.035

0.506

BMI (kg/m²)

0.037

0.481

Etiology of ESRD

0.086

0.103

Hypertension

0.105^*

0.047

Diabetes

-0.011

0.832

History of CVD

-0.010

0.855

Hemoglobin (g/L)

-0.023

0.660

Albumin (g/L)

0.004

0.944

Calcium (mmol/L)

-0.068

0.201

Phosphorus (mmol/L)

0.120^*

0.023

Intact Parathyroid hormone (pg/mL)

0.052

0.331

Cholesterol (mmol/L)

-0.043

0.415

Triglyceride (mmol/L)

-0.044

0.408

Total Kt/V

0.027

0.607

eGFR (mL/min/1.73 m²)

0.027

0.617