Table 7 White matter hyperintensities by Scheltens rating.

PVH (range 0–6)

Adjacent to the lateral ventricles

0-none

1-lesion ≤ 5 mm

2-lesions > 5 mm

Adjacent to the frontal and occipital horns

DWMH (range 0–36)

Frontal region

0 (none)

1 (lesions ≤ 3 mm, n ≤ 5)

2 (lesions ≤ 3 mm, n ≥ 6)

3 (4 mm ≤ lesions ≤ 10 mm, n ≤ 5)

4 (4 mm ≤ lesions ≤ 10 mm, n ≥ 6)

5 (lesions ≥ 11 mm, n ≥ 1) and 6 (large confluent lesions)

Parietal region

Occipital region

Temporal region

Basal ganglia

Infratentorial region