Adjusted for age, gender, race and ethnicity. Appendix Figure 1 Vanderbilt dataflow chart 43684 encounters Excluded 27129 with heart failure, coronary artery disease or atrial fibrillation 16451 included University of Miami data flowchart 38,927 encounters Excluded 18493 with heart failure, coronary artery disease or atrial fibrillation 20,434 included Table 1 ICD-9 and ICD-10 codes