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. 2016 Feb 16;5(2):e002378. doi: 10.1161/JAHA.115.002378

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© 2016 The Authors. Published on behalf of the American Heart Association, Inc., by Wiley Blackwell.

This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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A, Block group (BG)–specific estimates of the relative risk for acute myocardial infarction mortality among Arkansans, ages 30+, during 2008–2012. (B) Driving time from population center of BG to the nearest percutaneous coronary intervention–capable hospital (blue dots). Estimates (RR) are based on trends in the standardized mortality ratio with BG measures of education, poverty, population density, percent rural, black race, and geographical location (spatial trends). The 10th, 25th, 50th, 75th, and 90th percentiles among BGs determine the boundaries of color interval.