From "Institutional Volumes and Coronary Angioplasty Outcomes before and after the Introduction of Stenting" Effective Clinical Practice, May/June 1999. 2:108-113.
Figure 3. Rates of hospital mortality and same-admission coronary artery bypass grafting (CABG) in 1993 and 1996 among patients who had acute myocardial infarction (AMI) and those who did not. P values are adjusted for age, sex, ethnicity, diabetes mellitus, and multivessel angioplasty.>