Table 2. Uremic toxin concentrations.
| median (25th–75thp) | [(75th-25th)/75th]·100 | min - max | [(max-min)/max]·100 | |
| urea | 0.90 (0.71–1.06) | 33.5 | 0.18–1.88 | 90.4 |
| Crea | 7.19 (5.77–9.01) | 36.0 | 3.35–14.9 | 80.4 |
| ADMA | 1.00 (0.84–1.18) | 28.2 | 0.51–1.93 | 73.6 |
| SDMA | 2.08 (1.73–2.48) | 30.3 | 0.77–3.79 | 79.7 |
| UA | 6.53 (5.62–7.06) | 20.3 | 2.55–9.11 | 72.0 |
| β2M | 39.4 (28.5–48.1) | 40.8 | 13.9–96.3 | 89.6 |
| HA | 2.94 (1.47–5.64) | 74.0 | 0.24–14.21 | 98.3 |
| IS | 1.80 (1.27–2.77) | 54.4 | 0.29–5.75 | 97.7 |
| IAA | 0.18 (0.13–0.23) | 42.7 | 0.07–0.73 | 90.9 |
| PCS | 2.94 (1.73–4.36) | 60.2 | 0.06–7.53 | 99.2 |
| PCG | 0.49 (0.18–0.89) | 79.8 | 0.02–3.94 | 99.5 |
| CMPF | 0.38 (0.20–0.61) | 68.0 | 0.06–1.37 | 95.8 |
| Free HA | 1.65 (0.70–3.32) | 79.0 | 0.13–9.09 | 98.6 |
| Free IS | 0.11 (0.06–0.23) | 72.4 | 0.02–0.72 | 97.8 |
| Free IAA | 0.06 (0.04–0.07) | 48.1 | 0.02–0.22 | 91.2 |
| Free PCS | 0.18 (0.11–0.33) | 66.4 | 0.04–0.66 | 94.7 |
| Free PCG | 0.48 (0.17–0.86) | 80.1 | 0.02–3.59 | 99.5 |
mg/dL, except urea in g/L, β2M in µg/mL, and ADMA and SDMA in µmol/L.
Crea: creatinine, ADMA: asymmetric dimethylarginine, SDMA: symmetric dimethylarginine, UA: uric acid, β2M: beta-2-microglobulin, HA: hippuric acid, IS: indoxyl sulfate, IAA: indole acetic acid, PCS: p-cresylsulfate, PCG: p-cresylglucuronide, CMPF: 3-carboxy-4-methyl-5-propyl-2-furanpropionic acid.