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. 2019 May 1;10:35–40. doi: 10.1016/j.phro.2019.04.001

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© 2019 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 4 — Boxplots of the mean γ values (γ_mean) (A), Points in agreement (P_γ≤1) (B), and 99th percentile (γ_1%) (C) for the four imaging sites for C2, comparing the uniform scatter correction (SC) without anti-scatter grid (ASG) and iterative SC with ASG for the volume enclosed by the 20% isodose surface. The significance (p-value) between uniform and iterative SC are also shown.