Table 1

The TRS

VariableRisk weight
Age (years)
 40–491
 50–592
 60–693
 70–794
 ≥805
Diabetes mellitus2
Renal insufficiency2
NYHA IV3
LVEF <20%3
Multivessel disease1
Left main disease2
Recent MI (<1 m)3
Post-thrombolysis3
Primary PCI4
Shock6
Cardiac arrest with ROSC6
  • LVEF, left ventricular ejection fraction; MI, myocardial infarction; NYHA, New York Heart Association; PCI, Percutaneous Coronary Intervention; ROSC, return of spontaneous circulation; TRS, Toronto Risk Score.