Table 1 Subject grouping and demographics.
From: Alterations of cerebral perfusion in asymptomatic internal carotid artery steno-occlusive disease
High-grade group | Low-grade group | Control group | ||
|---|---|---|---|---|
N | 20 | 22 | 12 | |
Age (years) | 67 ± 10 | 59 ± 14 | 57 ± 13 | p = 0.087 |
(range = 52–82) | (range = 32–79) | (range = 35–72) | ||
Sex (female/male) | 8/12 | 8/14 | 6/6 | p = 0.726 |
Degree of stenosis at the more severe ICA | >70% to occlusion | 20–60% | — | — |
Degree of stenosis at the contralateral ICA | Normal to 60% | Normal to 20% | — | — |
