Sex

Age (years)
Weight (Kg)
IABP used pre-operation

Chronic dialysis

Previous neurological accident

Diabetic on medication

Pre-operative creatinine
Pre-operative haemoglobin
Previous cardiac surgery

Major aortic procedure

Cardiopulmonary bypass

Ejection fraction category

Operation type (tick any)

MI at or time of operation or in the preceding 30 days

Urgent Operation