Seasonality and Daily Weather Conditions in Relation to Myocardial Infarction and Sudden Cardiac Death in Olmsted County, Minnesota, 1979 to 2002
Yariv Gerber, PhD*, ,
Steven J. Jacobsen, MD, PhD ,
Jill M. Killian, BS ,
Susan A. Weston, MS and
Véronique L. Roger, MD, MPH*, ,1,*
* Division of Cardiovascular Diseases, Mayo Clinic College of Medicine, Rochester, Minnesota.
Department of Health Sciences Research, Mayo Clinic College of Medicine, Rochester, Minnesota.

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Figure 1 Association of season and temperature with sudden cardiac death (SCD) stratified by prior coronary heart disease (CHD) status. The relative risks (RRs) (95% confidence intervals [CIs]) are derived from Poisson regression models adjusting for age, gender, year, and all other variables within each season or temperature group.
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