Table 1

Patient Demographic Data and Risk Factors

Overall (n = 5,054)Standard-Risk (n = 1,875)Extended-Risk (n = 3,179)p Value
Age (yrs)64.74 ± 11.0664.34 ± 10.9564.97 ± 11.120.05
Male3,478 (68.8%)1,246 (66.5%)2,232 (70.2%)0.01
All diabetes mellitus1,779 (35.6%)574 (30.9%)1,205 (38.4%)<0.0001
Dyslipidemia requiring medication4,122 (84.2%)1,512 (83.0%)2,610 (84.9%)0.07
Hypertension requiring medication4,286 (85.8%)1,577 (84.9%)2,709 (86.4%)0.15
Current tobacco user or former tobacco user(quit ≤1 month ago)1,087 (22.8%)409 (23.0%)678 (22.6%)0.75
Renal insufficiency557 (11.1%)0 (0.0%)557 (17.6%).
Anemia406 (8.3%)98 (5.4%)308 (10.0%)<0.0001
History of previous MI1,409 (30.8%)432 (24.8%)977 (34.5%)<0.0001
Stable angina2,478 (53.5%)1,021 (58.5%)1,457 (50.5%)<0.0001
Unstable angina1,421 (30.7%)430 (24.7%)991 (34.4%)<0.0001
AMI673 (16.0%)0 (0.0%)673 (25.0%).
Multivessel disease2,061 (40.8%)578 (30.8%)1,483 (46.6%)<0.0001
LVEF <30%131 (3.4%)0 (0.0%)131 (5.3%).
Past cardiac intervention2,495 (51.2%)799 (44.1%)1,696 (55.4%)<0.0001
 PCI1,950 (40.0%)660 (36.4%)1,290 (42.2%)<0.0001
 CABG755 (15.5%)158 (8.7%)597 (19.5%)<0.0001

Values are n (%) or mean ± SD.

AMI = acute myocardial infarction; CABG = coronary artery bypass graft surgery; LVEF = left ventricular ejection fraction; MI = myocardial infarction; PCI = percutaneous coronary intervention.

  • Standard- versus extended-risk.

  • Patient can be counted in more than 1 category.