Table 1

Baseline Characteristics of Study Patients

Total PopulationNonsurvivorsSurvivorsp Value
Demographic data
 Age, yrs68.1 ± 13.077.1 ± 10.467.5 ± 12.9<0.001
 Female28.735.128.30.017
Medical history
 BMI, kg/m228.6 ± 4.327.4 ± 4.028.7 ± 4.30.093
 Diabetes27.441.026.5<0.001
 Hypertension54.654.954.60.942
 Dyslipidemia44.534.345.10.001
 Prior CAD23.226.923.00.144
 Prior CHF4.013.13.5<0.001
 Prior stroke6.712.76.3<0.001
 Peripheral vascular disease9.113.88.80.006
 COPD10.916.410.60.003
 Prior malignancy6.710.46.50.011
On-admission data
 ACS
  UA19.21.920.3<0.001
  NSTEMI48.745.552.6
  STEMI32.148.930.8
 Killip class >II18.475.014.8<0.001
 Cardiac arrest1.69.31.1<0.001
 ST-segment deviation51.985.449.8<0.001
 Hemoglobin, g/dl13.9 ± 1.812.9 ± 2.114.0 ± 1.70.001
 Serum creatinine, mg/dl1.1 ± 0.71.7 ± 1.61.1 ± 0.60.001
Procedural characteristics
 LVEF <45%16.563.014.3<0.001
 Multivessel disease35.138.834.90.194
 Coronary segment
  Left main3.711.63.2<0.001
  pLAD12.421.611.8<0.001
 Revascularization
  Non (medical therapy)33.745.932.9<0.001
  Thrombolytic1.82.61.8
  PCI61.145.962.1
  CABG3.45.63.2
 PCI nonsatisfactory39.459.238.5<0.001

Values are mean ± SD or percentages.

ACS = acute coronary syndrome; BMI = body mass index; CABG = coronary artery bypass graft; CAD = coronary artery disease; CHF = congestive heart failure; COPD = chronic obstructive pulmonary disease; LVEF = left ventricular ejection fraction; NSTEMI = non–ST-segment elevation myocardial infarction; PCI = percutaneous coronary intervention; pLAD = proximal left anterior descendent coronary; STEMI = ST-segment elevation myocardial infarction; UA = unstable angina.

  • Data of LVEF available in 3,893 patients.