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. 2021 Jul 24;13:205–217. doi: 10.2147/EB.S317186

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© 2021 Silverstein et al.

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Box plots of perfusion density values for the left eye (left panel) and right eye (right panel), by group. Density is expressed the proportion of total area in the 3×3 mm² image in which blood vessels are visible. Asterisks signify data points between 1–3 interquartile ranges from the lower hinge (25th percentile) of the boxplot. The main effect of group was significant in both cases. See text for statistical test results.