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Table 3 Relative hazards (95% CI) for all-cause mortality by solute

From: Retained organic solutes, patient characteristics and all-cause and cardiovascular mortality in hemodialysis: results from the retained organic solutes and clinical outcomes (ROSCO) investigators

Solute

Overall (continuous, per 1 SD)

Hazard ratio (95% CI)

  

Below median

Above median

P-cresol sulfate

Range of values

0-11.1 mg/dl (SD = 1.76 mg/dl)

0-3.1 mg/dl

3.1-11.1 mg/dl

Unadjusted

1.05 (0.93-1.17)

Reference

1.10 (0.88-1.37)

Adjusted*

1.02 (0.90-1.16)

Reference

1.03 (0.81-1.31)

+ obesity, creatinine

1.02 (0.90-1.16)

Reference

1.03 (0.83-1.28)

Indoxyl sulfate

Range of values

0-6.8 mg/dl (SD = 1.11 mg/dl)

0-1.6 mg/dl

1.6-6.8 mg/dl

Unadjusted

0.93 (0.84-1.04)

Reference

1.03 (0.83-1.28)

Adjusted*

0.98 (0.87-1.10)

Reference

1.14 (0.90-1.44)

+ obesity, creatinine

1.04 (0.91-1.18)

Reference

1.30 (1.01-1.69)

MMA

Range of values

24.2-190.6 ug/L (SD = 16.48 ug/L)

24.2-49.6 ug/L

49.7-190.6 ug/L

Unadjusted

1.10 (0.99-1.23)

Reference

1.01 (0.81-1.26)

Adjusted*

1.05 (0.94-1.17)

Reference

0.94 (0.74-1.20)

+ obesity, creatinine

1.09 (0.97-1.22)

Reference

1.00 (0.78-1.29)

DMA

Range of values

7.6-33.9 uM (SD = 3.69 uM)

7.6-18.3 uM

18.3-33.9 uM

Unadjusted

0.96 (0.86-1.07)

Reference

0.86 (0.69-1.08)

Adjusted*

1.00 (0.89-1.12)

Reference

0.88 (0.69-1.11)

+ obesity, creatinine

1.01 (0.90-1.14)

Reference

0.91 (0.71-1.17)

Total Score (vs. 0)**

Continuous

1

2

3

4

Unadjusted

1.00 (0.91-1.09)

1.53 (1.03-2.27)

1.24 (0.87-1.77)

1.21 (0.83-1.77)

1.14 (0.72-1.79)

Adjusted*

0.99 (0.89-1.10)

1.28 (0.85-1.94)

1.24 (0.85-1.80)

0.96 (0.64-1.43)

1.26 (0.78-2.04)

+ obesity, creatinine

1.04 (0.93-1.16)

1.29 (0.84-1.99)

1.28 (0.86-1.90)

1.06 (0.69-1.64)

1.49 (0.88-2.51)

  1. All models stratified by clinic cluster. *Adjustment: basic model, age at enrollment, sex, race, comorbidity score (ICED), and baseline albumin: + obesity and creatinine value. **Total number of solutes with levels above the population median.