|Age, yrs||See below|
|Creatinine, mg/dl||See below|
|Left ventricular ejection fraction, %||See below|
|Myocardial infarction <24 h||4|
|Congestive heart failure on presentation (without acute MI or shock)||3|
|Peripheral vascular disease||2|
The Mayo Clinic risk score is calculated using data from 7 individual variables, each of which have their own weighted score (30).
Abbreviations as in Table 2.