Age, Race, Sex (full interactions)	hx angina missing (ref=no)	peak ck gt 1000
previous revascularization (1=y)	hx terminal illness (1=y)	non-ambulatory (ref=independent)
hx old mi (1=y)	current smoker	ambulatory with assistance
hx chf (1=y)	atrial fibrillation on admission	ambulatory status missing
history of dementia	cpr on presentation	albumin low(ref>=3.0)
hx diabetes (1=y)	indicator mi = anterior	albumin missing(ref>=3.0)
hx hypertension (1=y)	indicator mi = inferior	bilirubin high(ref<1.2)
hx leukemia (1=y)	indicator mi = other	bilirubin missing(ref<1.2)
hx ef <= 40 (1=y)	heart block on admission	creat 1.5-<2.0(ref=<1.5)
hx metastatic ca (1=y)	chf on presentation	creat >=2.0(ref=<1.5)
hx non-metastatic ca (1=y)	hypotensive on admission	creat missing(ref=<1.5)
hx pvd (1=y)	hypotensive missing	hematocrit low(ref=>30)
hx copd (1=y)	shock on presentation	hematocrit missing(ref=>30)
hx angina (ref=no)	peak ck missing	ideal for CATH (ACC/AHA criteria)