Clinical form | N (%) | Mean age at diagnosis (SD) and range in years |
---|---|---|
Neonatal systemic rapidly fatal (< 28 days) | 10 (5.6) | 0.37 (0.25)—0.0–0.9 |
Early infantile neurological (< 2 years) | 43 (24.2) | 2.16 (2.75)—0.0–17 |
Late infantile neurological (2 to < 6 years) | 47 (26.4) | 4.92 (3.25)—0.1–12 |
Juvenile neurological (6 to < 15 years) | 41 (23.0) | 9.89 (5.34)—0.1–22 |
Adult neurological (> 15 years) | 37 (20.8) | 34.12 (13.84)—1.4–68 |
No neurological manifestations | 4 | 19 (17.95)—0.7–42 |