Table 1.
Prevalence of risk factors in the sample and in the Bernstein Parsonnet 2000 population
| Risk factor | Prevalence in sample (%) (n = 1,065) | Prevalence in BP (%) (n = 10,703) | p value |
|---|---|---|---|
| Female gender | 38.7 | 31.3 | < 0.001 |
| > 80 | 4.7 | 7.8 | < 0.001 |
| Diabetes mellitus | 23.6 | 29.4 | < 0.001 |
| < 30% | 4.8 | 8.4 | < 0.001 |
| Arterial hypertension | 73.1 | 63.1 | < 0.001 |
| Congestive heart failure | 19.4 | 18.9 | 0.720 |
| Morbid obesity | 19.6 | 8.9 | < 0.001 |
| Severe COPD | 0.1 | 2.5 | < 0.001 |
| Previous heart surgery | 10.0 | 7.0 | 0.001 |
| Two or more previous heart surgeries | 2.1 | 0.4 | < 0.001 |
| Aortic valve replacement | 18.8 | 12.1 | < 0.001 |
| Mitral valve replacement | 13.4 | 7.1 | < 0.001 |
| CABG with valvular surgery | 7.0 | 8.5 | 0.093 |
| LMC lesion | 23.8 | 16.9 | < 0.001 |
| Preoperative IAB | 0.6 | 8.7 | < 0.001 |
LMC: Left main coronary; IAB: Intra-aortic balloon; BP: Bernstein Parsonnet 2000; CABG: Coronary artery bypass surgery; COPD: Chronic obstructive pulmonary disease; LVEF: Left ventricular ejection fraction.