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. 2019 Mar 28;16:E36. doi: 10.5888/pcd16.180445

Figure 1.

In panel A, spatial clusters of blocks with high proportions of non-Hispanic black patients with hypertension are not readily apparent. There appear to be more blocks with high proportions of non-Hispanic black patients with hypertension in the far northern and eastern areas of the county. In panel B, there is a similar phenomenon, although there are more blocks in which a high proportion of non-Hispanic white patients have hypertension in the far east of the county. There are more blocks in which a low proportion of non-Hispanic white patients have hypertension in central and western areas of the county.

Proportion of patients with hypertension in 2010 Census blocks, by quintile, Duke Medicine Enterprise Data Warehouse patient data, Durham, North Carolina. A, Non-Hispanic black patients. B, Non-Hispanic white patients.