Clinical and laboratory data at presentation
| Kindred | Patient No | Sex | Presentation age (weeks) | Clinical presentation | Serum calcium (mmol/l) | Serum magnesium (mmol/l) |
|---|---|---|---|---|---|---|
| 1 | 1 | M | 8 | Restlessness, tremor | 1.61 | 0.21 |
| 1 | 2 | M | 3 | Convulsions | 1.91 | 0.25 |
| 1 | 3 | M | 10 | Convulsions | 1.54 | 0.25 |
| 1 | 4 | M | 4 | Restlessness | 1.81 | 0.25 |
| 1 | 5 | M | 4 | Convulsions | 1.59 | 0.29 |
| 1 | 6 | F | 4 | Carpopedal spasms and stridor | 1.41 | 0.25 |
| 1 | 7 | F | 2 | Carpopedal spasms and stridor | 1.31 | 0.2 |
| 1 | 81-150 | M | 6 | Convulsions | 1.54 | 0.13 |
| 2 | 1 | M | 2 | Convulsions | 1.57 | 0.08 |
| 2 | 2 | M | 6 | Convulsions | 0.93 | 0.21 |
| 2 | 3 | M | 3 | Convulsions | 1.49 | 0.46 |
| 2 | 4 | M | 3 | Convulsions | 2.601-151 | 0.461-151 |
| 2 | 5 | M | 2 | Asymptomatic | 2.47 | 0.33 |
| 2 | 6 | M | 8 | Convulsions | 1.34 | 0.04 |
| 2 | 7 | M | 8 | Convulsions | 1.54 | 0.21 |
| Mean (SD) | 4.9 (2.5) | 1.58 (0.33) | 0.24 ( 0.11) | |||
| Normal | 2.12–2.70 | 0.62–1.08 |