Table 3 Correlation between MMSE, FAB and clinical data

Age of onset

R² = −0.04 (p = 0.87)

R² = −0.3 (p = 0.23)

Age at first examination

R ² = −0.57 ( p  = 0.01)

R² = 0.27 (p = 0.28)

Disease duration

R ² = −0.49 ( p = 0.03)

R² = −0.07 (p = 0.77)

Education level

R² = 0.10 (p = 0.69)

R² = 0.14 (p = 0.59)

Presence of psychosis

R² = 0.27 (p = 0.28)

R² = 0.20 (p = 0.41)

Walking score

R² = 0.2 (p = 0.45)

R² = 0.19 (p = 0.48)

Manipulation score

R ²  = 0.51 ( p = 0.04)

R² = 0.12 (p = 0.66)

Dysarthria score

R ² = 0.49 ( p = 0.05)

R ² = 0.59 ( p = 0.02)

Deglutition score

R² = 0.2 (p = 0.45)

R² = 0.13 (p = 0.65)

Duration of miglustat

R² = −0.46 (p = 0.1)

R² = −0.17 (p = 0.57)

Time between the onset of disease and the initiation of miglustat

R² = −0.28 (p = 0.25)

R² = 0.1 (p = 0.71)