Neuroradiological characteristics of subtypes of WMM artery infarcts
| LAD | SAD | CE | p value | |
|---|---|---|---|---|
| CE, cardioembolism; ICA, internal carotid artery; LAD, larger artery disease; MCA, middle cerebral artery; SAD, small artery disease. | ||||
| *Fisher’s exact test; †Mann-Whitney test; ‡indicates comparison between LAD and SAD; §indicates comparison between CE and SAD. | ||||
| Shape | 0.001*‡ | |||
| Circular or oval | 35 (53.8%) | 17 (94.4%) | 8 (66.7%) | |
| Sausage or chain | 30 (46.2%) | 1 (5.6%) | 4 (33.3%) | |
| Infarct size (mm2) | 97±84 | 50±26 | 112±103 | <0.001† |
| Cortical spotty lesion | 57 (87.7%) | 0 (0%) | 10 (83.3%) | <0.001* |
| Two or more lesions | 41 (63.1%) | 2 (11.1%) | 6 (50%) | <0.001*‡, 0.034*§ |
| Site of stenosis | 0.012* | |||
| MCA | 39 (59.4%) | – | – | |
| ICA | 26 (40.6%) | – | – | |