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Absolute error of the global summary measure from each PiB and FBP scan pair in the tracer head‐to‐head dataset. Each point represents a single scan pair. Significance levels from paired t‐tests with Bonferroni correction are indicated for each pair of harmonization methods (*p < 0.05, **p < 0.01, ***p < 0.005, ****p < 1e‐4).
