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. 2012 Jan 24;78(4):232–240. doi: 10.1212/WNL.0b013e31824365ab

Figure 2. Associations between global cortical Pittsburgh compound B (PiB) retention and standardized cognitive scores according to APOE status.

Figure 2

The trend lines indicate estimated mean cognition as a function of log-transformed PiB with green representing APOE ϵ2 carriers (n = 51), blue representing APOE ϵ3 homozygotes (n = 254), and orange representing APOE ϵ4 carriers (n = 97). Shaded regions indicate 95% confidence intervals. The p values from the sequential analysis of variance (ANOVA) are listed for each cognitive domain.