Table 1:

Hazard ratios between perivascular spaces and outcome eventsa

All DeathsVascular DeathMyocardial InfarctionAny StrokeAny Vascular Event
Small PVS score
    Continuously1.01, 0.98–1.041.06, 1.01–1.111.03, 0.98–1.081.04, 0.98–1.101.04, 1.01–1.07
    Categorically
    First tertileReferenceReferenceReferenceReferenceReference
    Second tertile0.72, 0.53–0.961.13, 0.68–1.872.21, 1.10–4.450.96, 0.54–1.721.23, 0.86–1.75
    Third tertile0.95, 0.71–1.271.34, 0.80–2.231.81, 0.89–3.711.51, 0.88–2.571.38, 0.97–1.98
Large PVS score
    Continuously0.99, 0.90–1.100.99, 0.89–1.101.10, 0.93–1.041.07, 0.88–1.281.08, 0.97–1.21
    Categorically
        ≤1ReferenceReferenceReferenceReferenceReference
        ≥21.02, 0.77–1.361.03, 0.77–1.671.40, 0.83–2.360.99, 0.60–1.611.07, 0.78–1.48
  • a Models are adjusted for head size, motion artifacts, age, sex, ethnicity, vascular risk factors at MRI and during follow-up (hypertension, hypercholesterolemia, diabetes, and smoking), prior cardiac disease, and body mass index. Data are hazard ratios and 95% CIs.