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Figure 2 Time trends in geographic disparity. The y-axis represents the percentage of the target population receiving implantable cardioverter-defibrillators (ICDs) for each time period listed on the x-axis. Solid line = ICDs implanted in academic medical centers in counties with <10% black population; dashed line = ICDs implanted in academic medical centers in counties with >10% black population; dot-dashed line = ICDs implanted in non-academic medical centers in counties with <10% black population; dotted line = ICDs implanted in non-academic medical centers in counties with >10% black population.
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