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Table 1: Demographic and plaque characteristic summary table
Cerebrovascular Symptoms Yes No P Value Test
Demographics 
    Age (mean) (95% CI) (yr) 70 (66–74) 68 (65–71) .37 Paired Student t
    Sex (male = 93) 80% (37/46) 74% (57/77) .55 χ²
    Hypertension 26% (12/46) 27% (42/154) .98 χ²
    CAD 50% (23/46) 45% (70/154) .71 χ²
    Smoking status 43% (20/46) 30% (46/154) .12 χ²
    Diabetes 7% (3/43) 7% (11/154) .85 χ²
    Dyslipidemia 28% (13/46) 32% (49/154) .79 χ²
Plaque composition 
    Total plaque volume (mm³) 793 (565–984) 560 (503–669) .105 Mann-Whitney
    Lipid volume (mm³) 187 (132–240) 79 (63–101) .002^{^a} Mann-Whitney
    Mixed volume (mm³) 471 (400–544) 318 (290–367) .062 Mann-Whitney
    Calcified volume (mm³) 103 (70–150) 128 (109–156) .16 Mann-Whitney
    IPH volume (mm³) 115 (74–160) 2 (0–9) .001^{^a} Mann-Whitney
    Lipid-IPH volume (mm³) 61 (37–110) 67 (60–87) .14 Mann-Whitney
    % of lipid 23 (21–30) 17 (14–18) .002^{^a} Mann-Whitney
    % of mixed 58 (56–63) 59 (56–61) .51 Mann-Whitney
    % of calcium 13 (12–17) 21 (18–22) .001^{^a} Mann-Whitney
    % of IPH 15 (12–18) 1 (0–3) .001^{^a} Mann-Whitney
    % of lipid-IPH 8 (6–11) 13 (12–14) .001^{^a} Mann-Whitney
    IPH/lipid ratio 0.69 (0.59–0.73) 0.019 (0–0.064) .001^{^a} Mann-Whitney
Note:—CAD indicates coronary artery disease.
↵a Significant.