Skip to main content
. 2022 Sep 6;8(1):69–76. doi: 10.1136/svn-2022-001589

Table 1.

Comparison of clinical and imaging characteristics between symptomatic and asymptomatic occlusions

Total
(n=149)
Asymptomatic occlusion (n=37) Symptomatic occlusion (n=112) P value
Sex (Females), n (%) 35 4 (10.81%) 31 (27.68%) 0.037
Age, years 60.43±12.83 56.62±10.81 61.69±13.23 0.037
Risk factors, n (%)
 Hypertension 88 21 (56.76%) 67 (59.82%) 0.743
 Diabetes 30 10 (27.03%) 20 (17.09%) 0.229
 Lipid disorders 44 9 (24.32%) 35 (31.25%) 0.425
 Coronary artery disease 21 4 (10.81%) 17 (15.18%) 0.509
 Smoking history 61 17 (45.95%) 44 (39.29%) 0.477
Occlusive site, n (%) 0.098
 MCA 78 15 (40.54%) 63 (56.25%)
 ICA 71 22 (59.46%) 49 (43.75%)
FVH-ASPECTS, median (IQR) 2 (1–3) 0 (0–1) 3 (1–4) <0.0001
ASL-collateral circulation, median (IQR) 2 (1–3) 3 (2–3) 1 (1–2) <0.0001

ASL, arterial spin labelling; ASPECTS, Alberta Stroke Program Early Computed Tomography Score; FVH, fluid-attenuated inversion recovery vascular hyperintensity; ICA, internal carotid artery; MCA, middle cerebral artery.