Table 4 Multivariable Cox regression analysis of prognostic factors for all-cause mortality

Total Indoxyl Sulfate(≥44.16 vs < 44.16 μg/ml)

1.29(0.87–1.92)

0.21

–

–

Total Indoxyl Sulfate (Continuous)

–

–

1.02(1.01–1.03)

< 0.01

Age, years

1.05(1.04–1.06)

< 0.01

1.05(1.04–1.06)

< 0.01

Diabetic nephropathy

2.00(1.25–3.16)

< 0.01

1.96(1.24–3.11)

< 0.01

Glomerulonephritis

0.77(0.47–1.27)

0.31

0.77(0.47–1.26)

0.29

Hypertensive benign renal arteriosclerosis

1.29(0.80–2.10)

0.30

1.26(0.78–2.04)

0.35

Hemoglobin, g/l

0.99(0.98–1.00)

0.20

0.99(0.98–1.00)

0.13

Albumin, g/l

0.91(0.86–0.96)

< 0.01

0.91(0.86–0.97)

< 0.01

Urea nitrogen, mmol/L

1.00(0.97–1.03)

0.86

0.99(0.96–1.02)

0.52

Creatinine, umol/L

1.00(0.999–1.001)

0.50

1.00(0.999–1.00)

0.40

Sodium, mmol/l

1.00(0.94–1.05)

0.86

0.99(0.94–1.05)

0.73

Phosphorus, mmol/l

1.08(0.80–1.46)

0.60

1.11(0.82–1.50)

0.49

Chlorine, mmol/l

0.97(0.92–1.01)

0.16

0.97(0.92–1.02)

0.20