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Table 1 Demographic and clinical characteristics of sample

From: Risk-taking attitudes and their association with process and outcomes of cardiac care: a cohort study

Variable Risk-Prone Attitudes N Non-Risk-Prone Attitudes N P
Age (years) – Mean 61.86 (2827) 64.29 (3467) < 0.001
Sex      < 0.001
   Female 20.6% (582) 30.8% (1068)  
   Male 79.4% (2245) 69.2% (2399)  
Congestive Heart Failure 9.6% (270) 10.8% (373) 0.12
Peripheral Vascular Disease 7.3% (206) 7.7% (266) 0.56
Chronic Pulmonary Disease 8.8% (249) 10.4% (361) 0.03
Cerebrovascular Disease 5.4% (152) 6.5% (225) 0.06
Elevated Creatinine 1.5% (42) 1.3% (46) 0.59
Renal Dialysis 0.9% (25) 0.8% (27) 0.65
Diabetes Mellitus 16.8% (475) 17.1% (593) 0.75
Hypertension 52.8% (1494) 56.5% (1958) 0.01
Hyperlipidemia 63.7% (1801) 61.1% (2118) 0.03
Liver/GI* 3.7% (105) 4.0% (139) 0.55
Malignancy 3.9% (109) 4.1% (143) 0.59
Prior MI* 46.2% (1306) 45.5% (1579) 0.61
Prior PCI* 8.0% (225) 8.0% (276) 0.99
Prior CABG* Surgery 6.9% (195) 7.6% (264) 0.28
Prior Lytic Therapy 4.8% (135) 4.1% (143) 0.21
Former Smoker 53.7% (1517) 52.3% (1813) 0.28
Current Smoker 24.1% (680) 20.2% (702) < 0.001
Clinical Indication      0.06
   Stable Angina 39.4% (1114) 37.1% (1286)  
   Myocardial Infarction 27.9% (790) 27.1% (939)  
   Unstable Angina 25.3% (714) 28.0% (972)  
   Other 7.4% (209) 7.8% (270)  
Duke Category      0.02
   1-vessel disease 18.0% (508) 20.3% (703)  
   2-vessel disease 38.3% (1082) 38.0% (1316)  
   3-vessel disease 34.5% (975) 32.0% (1109)  
   left main 8.7% (247) 8.8% (304)  
   missing 0.5% (15) 1.0% (35)  
Ejection Fraction      0.20
   >50% 67.9% (1920) 66.1% (2293)  
   35–50% 21.1% (579) 22.0% (762)  
   20–34% 4.6% (131) 4.4% (153)  
   <20% 0.7% (21) 0.5% (18)  
   not done do to instability 3.3% (94) 4.2% (145)  
   missing 2.3% (64) 2.8% (96)  
Household Income      < 0.001
   <$20,000 13.2% (374) 17.6% (611)  
   $20,000–34,999 21.2% (598) 25.0% (867)  
   $35,000–49,999 15.9% (450) 14.2% (494)  
   $50,000–69,999 14.4% (406) 12.7% (440)  
   ≥ $70,000 20.8% (588) 11.4% (395)  
   Missing 14.5% (411) 19.0% (660)  
  1. *GI = gastrointestinal, MI = myocardial infarction, PCI = percutaneous coronary intervention, CABG = coronary artery bypass graft