Fig 3. Box plots showing the distribution of values for cone density, linear dispersion index and heterogeneity packing index in patients with diabetes and controls.
Parallel box plots showing the distribution of values for parafoveal cone density (left plot; cones/mm2), linear dispersion index (middle plot; LDi, D.U.: dimensionless unit) and heterogeneity packing index (right plot; HPi, %) in patients with (NPDR) and without (noDR) signs of diabetic retinopathy on fundoscopy and controls. The blue plus sign and the line in each box represent the mean and median scores respectively; the lower and upper edges of each box represent the 25th and 75th percentiles, respectively. The upper and lower adjacents (i.e., the bars) include all the extreme values up to the 99th percentile. Red crosses represent outlier data points.