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| Investigation | Total (Percentage) |
Percentage of patients in whom the investigation was positive |
|---|---|---|
| CT | 32(29.2) | 62.5 |
| MRI | 105(95.5) | 81.3 |
| EEG | 51(46.4) | 58.8 |
| Karyotyping | 13(11.8) | 15.4 |
| Fragile X | 1(0.9) | 0.0 |
| Other Genetic testing | 3(2.7) | 0.0 |
| Metabolic | 93(84.5) | 12.5 |
| Thyroid function test | 35(31.8) | 2.9 |
| BAEP | 43(39.1) | 41.9 |
| VEP | 46(41.9) | 41.3 |
