FIGURE 4.  Box plot of ¹⁸F-FDG mrSUVR of HC and AD shows median value, quartiles, outliers (*), and mean (). Mean mrSUVR (HC) = 1.10 ± 0.09 vs. mean mrSUVR (AD) = 0.91 ± 0.15 (P < 0.01; Cohen's effect size = 1.53 indicates nonoverlap of 71% in 2 distributions).