Figure 1. Lorenz Curves for Segregation by Race/Ethnicity in US Neonatal Intensive Care Units (NICUs).

Hospitals were ranked by the proportion of white infants from highest to lowest, and the cumulative population percentages of white and minority infants were plotted on the x- and y-axes. If all NICUs had the same racial distribution as the overall population, the curves would fall on the 45° diagonal line. The light blue line (left) represents Asian infants. The dark blue line (middle) represents black infants. The orange line (right) represents Hispanic infants.