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The natural log of proliferation (percent proliferative cells determined by %Ki‐67 positivity) by sex, treatment condition, and age. Red = female sex; blue = male sex as reported by vendor and confirmed by SRY genotype. Line represents regression and shadows are 95% confidence intervals. Proliferation by sex: p = 0.27; Sex × age: p = 0.13; Sex × condition: p < 0.001; Sex × age × condition: p = 0.001. VEGF, vascular endothelial growth factor.
