Table 2:

The association between risk factors and the presence of calcifications in the intracranial internal carotid artery

VariableOdds Ratios Adjusted for Age and SexOdds Ratios Adjusted for Age, Sex, and All Risk Factors
Odds Ratio (95% CI)P ValueOdds Ratio (95% CI)P Value
A
    Smoking (ever)1.7 (1.0–2.8).041.9 (1.1–3.3).01
    Hypertension1.8 (1.1–3.1).031.6 (0.9–2.8).11
    Hypercholesterolemia2.0 (1.1–3.8).021.9 (1.0–3.7).04
    Diabetes1.7 (0.8–3.4).151.6 (0.8–3.4).21
    History of cardiac disease2.3 (1.3–4.2)<.012.1 (1.1–4.0).02
    History of cerebrovascular disease1.2 (0.7–2.0).591.0 (0.6–1.9).93
B
    Smoking (ever)1.5 (0.9–2.5).141.4 (0.8–2.4).20
    Hypertension1.2 (0.6–2.1).631.0 (0.5–1.8).90
    Hypercholesterolemia1.7 (0.9–3.3).111.7 (0.9–3.4).13
    Diabetes1.4 (0.7–2.6).331.3 (0.7–2.6).44
    History of cardiac disease2.2 (1.3–3.7)<.012.0 (1.2–3.5).01
    History of cerebrovascular disease2.0 (1.2–3.4).011.9 (1.1–3.3)0.03
  • Note:—CI indicates confidence interval; A, presence of calcifications versus absence; B, upper quartile versus lower 3 quartiles.