Table 2.
Laboratory, radiological, and EEG data for the studied population
| Variable | n (%) |
|---|---|
| Laboratory data, mean range [SD] | |
| Serum total Ca (mg) | 4.2 [2.4–6.1] |
| Serum phosphorus (mg) | 5.2 [4.6–5.6] |
| Serum ALP (u/L) | 513 [312–742] |
| Serum Mg (mmol/L) | 0.5 [0.35–0.98] |
| Serum PTH (pg/mL) | 3.7 [2.5–8.6] |
| Radiological data | |
| Brain CT/MRI (in 18 patients only) | |
| Intracranial calcifications | 7 (38.9) |
| Thin corpus callosum | 2 (11.1) |
| Intraventricular hemorrhage | 1 (5.5) |
| Skeletal survey | |
| Medullary stenosis | 2 (8.3) |
| Osteosclerosis | 1 (4.15) |
| Delayed bone age | 22 (91.7) |
| EEG reports (in 18 patients only) | |
| Normal | 15 (72.2) |
| Abnormal | 5 (27.8) |
| Renal ultrasound | |
| Renal calcifications | 16 (66.6) |
| Echocardiography changes | |
| Ventricular dilatation | 2 (8.3) |
Abbreviations: ALP, alkaline phosphatase; CT, computed tomography; EEG, electroencephalography; Mg, magnesium; MRI, magnetic resonance imaging; PTH, parathyroid hormone; SD, standard deviation Ca, Calcium; PTH, Parathyroid hormone.