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Stacked histograms of median percent nonperfused area for the (A) 300-μm and (B) 1000-μm ROIs. Significant P-values for the post-hoc pairwise comparisons after nonparametric Kruskal-Wallis tests are shown for the total percent nonperfused area (≥2 SDs). Only the control versus noDR comparisons were not significant (P > 0.05). Sub-analyses of 2 to 3.9 SDs, 4 to 7.9 SDs, and ≥8 SDs are provided in Table 2.
