Table 2:

Logistic regression analysis for the predictors of β-amyloid positivity

UnivariableMultivariable
OR (95% CI)P ValueOR (95% CI)P Value
Age (yr)1.051 (1.012–1.092).0101.050 (1.004–1.098).034
Sex
 FemaleReference group
 Male1.435 (0.729–2.823).2961.561 (0.699–3.489).278
Hypertension (present)1.475 (0.757–2.875).254
Diabetes (present)1.495 (0.627–3.564).364
Hyperlipidemia (present)1.074 (0.416–2.774).883
Previous stroke (present)0.470 (0.131–1.681).245
APOE ε4 allele (present)3.526 (1.630–7.627).0014.583 (1.945–10.796)<.001
High degree of MR imaging–visible PVS-CS (score, ≥3)2.966 (1.503–5.851).0022.307 (1.036–5.136).041
High degree of MR imaging–visible PVS-BG (score, ≥3)1.034 (0.429–2.492).940
WMH (present)2.321 (1.188–4.533).014
Lacunes (for 1 number higher)0.937 (0.726–1.209).618
cSS (present)5.577 (0.654–47.565).116
Lobar CMB (present)1.100 (0.934–1.295).253
Deep CMB (present)0.688 (0.428–1.108).124
  • Note:—CMB indicates cerebral microbleed; cSS, cortical superficial siderosis; MRI-visible PVS-BG, enlarged perivascular space in the basal ganglia; MRI-visible PVS-CS, enlarged perivascular space in the semi ovale.