Cardiac rehabilitation referral after acute myocardial infarction, 2007 – 2012. Error bars represent 95% confidence intervals. P-value for trend <0.0001
*Adjusted for age, gender, race/ethnicity, body mass index, dyslipidemia, diabetes, dialysis status, prior percutaneous coronary intervention, ST elevation myocardial infarction at admission, in-hospital catheterization, in-hospital percutaneous coronary, in-hospital coronary artery bypass surgery, ejection fraction, length of stay, hospital region, hospital size, and teaching hospital status.