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. 2015 Dec 8;4(12):e002506. doi: 10.1161/JAHA.115.002506

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© 2015 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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ORs (and 95% CIs) associated with a 10‐μg/m³ increase in PM _2.5 for all ACS (A), ST‐segment elevation myocardial infarction (B), non‐STEMI (C), unstable angina (D), and non–ST‐segment elevation ACS (E) events for those with coronary artery disease across various strata. Circles represent results from the standard nonthreshold models, and triangles represent results from models with a PM _2.5 threshold of 25 μg/m³. *Strata with a statistically significant (P<0.05) larger effect vs the alternate strata. ACS indicates acute coronary syndrome; BMI, body mass index; CHF, congestive heart failure; Hist., history; OR, odds ratio; PM _2.5, fine particulate matter ≤2.5 μm in aerodynamic diameter; STEMI, ST‐segment elevation myocardial infarction.