The degree of PVS dilatation in NAWM surrounding dWMH and reference site
N(%) | Reference site | Total | ||
| 0 | 1 | 2 | ||
| dWMH | ||||
| 0 | 0 (0.0%) | 2 (100%) | 0 (0.0%) | 2 |
| 1 | 3 (3.2%) | 85 (91.4%) | 5 (5.4%) | 93 |
| 2 | 3 (4.5%) | 39 (59.1%) | 24 (36.4%) | 66 |
| 3 | 0 (0.0%) | 1 (33.3%) | 2 (66.7%) | 3 |
| total | 6 | 127 | 31 | 164 |
dWMH, deep white matter hyperintensity; NAWM, normal-appearing white matter; PVS, perivascular space.