Table 2:
Prevalence of Biochemical Abnormalities at Baseline (Pre-treatment)
| Variable | Mean ± SD (n) |
Normal Range | Patients with Abnormally High Valuesa N (%) |
|---|---|---|---|
| Calcium (mg/dL) | 10.09±0.35 (38) | < 18y.o.=
8.0–10.5 > 18y.o. = 8.4–10.5 |
2 (5) |
| Phosphorus (mg/dL) | 4.99±0.52 (38) | 1–13y.o. =
3.0–5.7 >13y.o. = 2.7–4.9 |
2 (5) |
| Mg | 2.25±0.16 (38) | 1.5–2.5 | 2 (5) |
| Ca × Pi | 50.44±6.21 (38) | 60 | 3 (8) |
| PTH (pg/mL) | 13.51±8.83 (37) | 10.0–65.0 | 0 (0) |
| Alkaline phosphatase (IU/L) | 149.9±57.1 (38) | 0–3y = 110–400; 3y-10y = 100–320; 10y-13y Female = 60–335; 13y-15y Female = 50–165; >15y Female = 30–120; 10y-13y Male = 40–360; 13y-18y Male = 70–390 |
1 (3) |
| TRP (%) | 93.65 ±3.64 (37) | 78–91% | 31 (84) |
| Urinary Ca/Cr | 0.38±0.25 (39) | ≥ 5 y.o < 0.2; < 5 y.o.< 0.5 |
22 (56) |
a
Serum for these studies was not obtained for 1/39 patients. PTH and TRP were not determined for one additional patient.