Table 2.
Biochemical parameters for serum and 24-h urine.
| Serum | Mean ± SD |
|---|---|
| Creatinine (mmol/L) | 0.105 ± 0.036 |
| Urea (mmol/L) | 17.1 ± 5.7 |
| Glucose (mmol/L) | 7.14 ± 2.71 |
| Sodium (mEq/L) | 139.4 ± 2.4 |
| Potassium (mEq/L) | 4.4 ± 0.5 |
| Chloride (mEq/L) | 106.1 ± 3.3 |
| Calcium (mmol/L) | 2.37 ± 0.07 |
| Phosphate (mmol/L) | 1 ± 0.16 |
| Magnesium (mmol/L) | 0.8 ± 0.1 |
| Triglycerides (mmol/L) | 1.70 ± 0.74 |
| Cholesterol (mmol/L) | 4.60 ± 0.96 |
| HDL-Cholesterol (mmol/L) | 1.01 ± 0.23 |
| LDL-Cholesterol (mmol/L) | 2.80 ± 0.83 |
| Albumin (µmol/L) | 652 ± 30 |
| CRP (µg/L) | 26,000 (12,000–55,000) |
| Iron (µmol/L) | 14.9 ± 6 |
| Ferritin (µg/L) | 74 (39–130) |
| PTH (pmol/L) | 6.1 (4.2–8.5) |
| c-FGF23 (RU/mL) | 77.0 (61.8–112.6) |
| URINE (24-h Collection) | Mean ± SD |
| Creatinine (mg/day) | 1402.3 ± 618.4 |
| UUN (g/day) | 12.2 ± 4.5 |
| Sodium (mEq/day) | 183 ± 76 |
| Potassium (mEq/day) | 67 ± 28 |
| Calcium (mg/day) | 106 ± 79 |
| Urine P Parameters (24-h Collection) | Mean ± SD |
| Urine Phosphate excretion (mg/day) | 797.2 ± 324.7 |
| Fractional excretion of phosphate (FeP) (%) | 23.3 ± 10.0 |
| Urine Phosphate excretion/eGFR (mg/day/eGFR) | 13.1 ± 7.1 |
| Phosphate/Creatinine ratio (mg/mg) | 0.60 ± 0.17 |
| Phosphate/UUN ratio (mg/g) | 66.5 ± 16.3 |
Biochemical parameters for serum and 24-h urine summarized as mean ± standard deviation. c-FGF23: c-terminal fibroblast growth factor-23; CRP: C-reactive-protein; HDL: high density lipoprotein; LDL: low density lipoprotein; P: phosphate; PTH: parathyroid hormone; UUN: urine urea nitrogen.