Table 3 Independent factors associated with all-cause and CVD-related mortality in multivariate logistic regression analysis

ERI variability groups (high vs. non-high)

3.64

2.03–6.28

<0.0001

3.81

1.68–8.04

0.0019

Age (years)

1.06

1.03–1.08

<0.0001

1.04

1.01–1.07

0.0090

Sex (female vs. male)

0.51

0.31–0.81

0.0042

0.57

0.29–1.07

0.0821

Dialysis vintage (month)

1.00

1.00–1.01

0.1158

1.00

0.99–1.00

0.3642

BMI >22 kg/m² (yes vs. no)

1.15

0.73–1.80

0.5390

1.08

0.59–1.98

0.7986

Diabetes mellitus (yes vs. no)

1.60

1.03–2.47

0.0358

1.34

0.74–2.45

0.3333

History of CVD (yes vs. no)

1.21

0.57–2.29

0.5972

1.30

0.48–2.96

0.5763

Ferritin ≥100 ng/ml (yes vs. no)

1.43

0.93–2.18

0.1038

1.28

0.71–2.30

0.4052

Albumin ≥3.5 g/dl (yes vs. no)

0.47

0.29–0.76

0.0023

0.62

0.32–1.21

0.1567

CRP ≥1.0 mg/dl (yes vs. no)

0.68

0.37–1.20

0.1877

0.74

0.31–1.63

0.4686

Phosphorus ≥6 mg/dl (yes vs. no)

1.18

0.68–1.97

0.5407

1.14

0.54–2.23

0.7177