Clinical features | N | % |
---|---|---|
*Delayed milestones before the onset of regression; †among those who attained independent walking. | ||
Delay in milestones* | 14 | 38.8 |
Frequent falls† | 14 | 77.7 |
Ataxia | 10 | 27.7 |
Seizures | 11 | 30.5 |
Bulbar symptoms | 12 | 33.3 |
Spasticity | 29 | 80.5 |
Sluggish stretch reflexes | 25 | 69.4 |
Sluggish ankle jerks | 29 | 80.5 |
Optic atrophy | 6 | 16.6 |