Table 1. Laboratory and urinary analytes of our patient over a 13 to 14 year period.
Cr: Creatinine, Ca: Calcium, P: Phosphate, Mg: Magnesium, Na: Sodium, K: Potassium, Cl: Chloride, HCO3 : Bicarbonate, pH: Potential of Hydrogen, PTH: Parathyroid hormone, ALP: Alkaline phosphatase, TG: Triglyceride, UPC: Urine protein creatinine ratio, eGFR: Estimated glomerular filtration rate
| Age (in years) | Reference range | 1.5 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 12 | 14 | 15 |
| SERUM | ||||||||||||
| Cr (mg/dl) | 0.6 – 1.1 | 0.6 | 0.6 | 0.6 | 0.6 | 0.5 | 0.8 | 0.8 | 0.9 | 1.0 | 1.2 | 1.8 |
| Total protein/Albumin (g/L) | 6.0 – 8.3/3.4 – 5.4 | 7.3/4 | 7.2/4 | 7.0/3.9 | 7.8/4 | 7.2/4.7 | 8.0/4.9 | |||||
| Ca (mg/dl) | 8.6 – 10.3 | 9.9 | 10 | 9.8 | 10.1 | 8.9 | 8.8 | 9.7 | 10 | 10.2 | 9.8 | 9.6 |
| P (mg/dl) | 2.8 – 4.5 | 3.5 | 3.6 | 2.4 | 2.1 | 3.7 | 1.7 | 2.3 | 3.8 | 2.7 | ||
| Mg (mg/dl) | 1.3 – 2.1 | 3.1 | 2.7 | 1.64 | 2.2 | 1.6 | ||||||
| Na (mEq/l) | 135 – 145 | 136 | 137 | 130 | 128 | 133 | 135 | 137 | 130 | |||
| K (mEq/l) | 3.5 – 5.2 | 3.5 | 3.9 | 3.6 | 3.2 | 3.6 | 4.0 | 2.62 | 3.1 | 3.1 | ||
| Cl (mEq/l) | 96 – 106 | 112 | 100 | 98 | 94 | 104 | 100 | 91 | 90 | |||
| HCO3 (mmol/l) | 22 - 28 | 22.9 | 21.4 | 27.0 | 22.8 | 19.5 | 29.4 | |||||
| pH | 7.35 – 7.45 | 7.36 | 7.41 | 7.48 | 7.43 | 7.52 | ||||||
| PTH (pg/ml) | 10.0 – 69.0 | 2.5 | 3.5 | 3.3 | 100 | |||||||
| Vitamin D (ng/ml) | >30 | 56 | 77 | 15 | 13.3 | |||||||
| ALP (U/l) | 44 - 147 | 608 | 640 | 579 | 508 | 297 | 425 | 534 | 304 | |||
| Cholesterol/TG (mg/dl) | <200/<150 | 188 | 191 | 220 | 342/74 | 212/109 | 322 | 260/87 | 230/111 | 306/74 | ||
| URINE | ||||||||||||
| Protein/Albumin | - | (4+) | (1+) | (4+) | (3+) | (2+) | (2+) | (2+) | (2+) | (2+) | (2+) | (2+) |
| Occult blood | - | - | - | 8-10 | 4-5 | - | - | - | - | - | - | |
| 24 h protein (mg/m2/hr) | <4.0 | 78.7 | 74.8 | 49.0 | ||||||||
| 24 h calcium (mg/kg/day) | <4.0 | 22.9 | 18.2 | 12.5 | 15.7 | |||||||
| UPC | <0.2 | 10 | 3.71 | 3.46 | 5.3 | 2.11 | 1.05 | 2.0 | 2.3 | 18.0 | ||
| Calcium creatinine ratio | <0.2 | 0.14 | 0.81 | 0.6 | 3.32 | 0.24 | 0.53 | 2.8 | 0.2 | |||
| eGFR | >60 | 141 | 58 |