APOE, ABCA7, and RASGEF1C are associated with earlier onset of amyloid deposition from more than 4000 harmonized positron emission tomography images.

Additional post hoc analyses show that these SNVs remain suggestively significant ( p < 5 × 10 −5 ) when not covarying for APOE and the HRs remain in the same direction and nominally significant ( p < 0.05) when using models that include APOE ε2 and ε4 separately in dominant and additive models (Table S4 in supporting information). 3.2.2 APOE analyses Next, in Cox proportional hazard (PH) models, carriers of ε2/ε4, ε3/ε4, ε4/ε4 had an elevated HR (Cox PH HR > 1) for earlier conversion to amyloid positivity compared to ε3/ε3 homozygotes. ε2/ε3 carriers demonstrated a lower risk ratio (Cox PH HR < 1; Table 3 ).

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