Protective Factors Modulate the Risk of Beta Amyloid in Alzheimer’s Disease

Figure 2

Risk classification by the combination of FDG with brain PET Abeta. (a) Survival curves by combination of Abeta and FDG in ApoE4 carriers. (a1, A) and ; (B) and ; (C) and ; and (D) and . (a2, A) and and (B) and . (a3, A) and and (B) and . (b) Survival curves by combination of Abeta and FDG in non-ApoE4 carriers. (b1, A) and ; (B) and ; (C) and ; and (D) and . (b2, A) and and (B) and . (b3, A) and and (B) and .