Table 1 Mayo clinic risk score and coronary artery disease (CAD)-specific index

Mayo Clinic Risk Score		CAD-specific index
Risk factor	Integer coefficient	Risk factor	Integer coefficient
Age*	1	Current smoker	1
Urgent/emergency PCI	2	Hypertension	1
CHF, NYHA class ⩾III	2	History of CVA/TIA	1
Multivessel disease	2	DM	2
Thrombus in any lesion	2	DM with sequelae	3
Moderate to severe renal disease	3	COPD	2
Pre-PCI shock	5	PVD	2
LMCA with ⩾70% stenosis	5	Tumour/lymphoma/leukaemia	2
		Moderate to severe renal disease	7
		Metastatic cancer	5

*Scored as one point for every decade older than 30 years (eg, a 90-year-old person would have a score of 6 for age).
CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; CVA, cerebrovascular accident; DM, diabetes mellitus; LMCA, left main coronary artery; NYHA, New York Heart Association; PCI, percutaneous coronary intervention; PVD, peripheral vascular disease; TIA, transient ischaemic attack.