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MR imaging findings in apoE genotype subgroups
All (n = 36)ε4 Allele Carriers (n = 8)Non-ε4 Allele Carriers (n = 28)95% CI of the Difference
Age (y)44.9 (±11)47.5 (±7.9)44.2 (±11.7)−4.2–10.9
Percentage white matter hyperintensities8.2 (±5.9)8.6 (±6.4)8.1 (±5.9)−5.1–6.0
No. of lacunar infarcts8.8 (±12.6)13.1 (±14.7)7.5 (±11.9)−7.1–18.3
No. of microbleeds*2.4 (±6.5)1.3 (±2.6)2.7 (±7.3)−4.8–1.9
No. of persons with subcortical lacunar infarcts18 (50%)4 (50%)14 (50%)
  • There is no significant difference in MR imaging findings between ε4 allele carriers and nonε4 allele carriers.