The degree of PVS number in NAWM surrounding dWMH and reference site
N (%) | Reference site | Total | |||||
| 0 | 1 | 2 | 3 | 4 | 5 | ||
| dWMH | |||||||
| 0 | 0 (0.0%) | 2 (100%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 2 |
| 1 | 5 (8.9%) | 48 (85.7%) | 3 (5.4%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 56 |
| 2 | 1 (1.4%) | 40 (55.6%) | 27 (37.5%) | 4 (5.6%) | 0 (0.0%) | 0 (0.0%) | 72 |
| 3 | 0 (0.0%) | 7 (30.4%) | 14 (60.9%) | 2 (8.7%) | 0 (0.0%) | 0 (0.0%) | 23 |
| 4 | 0 (0.0%) | 2 (25.0%) | 2 (25.0%) | 4 (50.0%) | 0 (0.0%) | 0 (0.0%) | 8 |
| 5 | 0 (0.0%) | 0 (0.0%) | 1 (33.3%) | 0 (0.0%) | 1 (33.3%) | 1 (33.3%) | 3 |
| Total | 6 | 99 | 47 | 10 | 1 | 1 | 164 |
dWMH, deep white matter hyperintensity; NAWM, normal-appearing white matter; PVS, perivascular space.