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. 2018 Mar 30;67(5):1–11. doi: 10.15585/mmwr.ss6705a1

FIGURE 4.

Figure 4 consists of two maps of the United States showing black-white heart disease death mortality ratios among adults aged ≥35 years in 1968 and 2015

Black-white heart disease mortality ratios* among adults aged ≥35 years — United States, 1968 and 2015

* State-level heart disease death rates were not calculated when <20 deaths occurred in the state within a group (blacks or whites) because the rates are considered statistically unreliable. Ratio categories are based on statistical testing using 95% confidence intervals (CIs). Black-white mortality rate ratios with CIs that include 1 represent approximately equal rates of heart disease deaths among blacks and whites. Ratios with upper CIs <1 indicate lower heart disease death rates among blacks compared with whites, and ratios with lower CIs >1 indicate higher heart disease death rates among blacks compared with whites.