Table 2.
Prevalence of risk factors in the sample and in the Bernstein Parsonnet 2000 population
| Exceptional situations | Prevalence in sample (%) (n = 1,065) | Prevalence in BP (%) (n = 10,703) | p value |
|---|---|---|---|
| Cardiogenic shock | 0.8 | 1.8 | 0.017 |
| Active Endocarditis | 1.0 | 0.4 | 0.005 |
| Treated Endocarditis | 0.8 | 0.8 | 0.915 |
| LV aneurysm surgery | 0.8 | 0.5 | 0.194 |
| Tricuspid valve surgery | 1.6 | 0.4 | < 0.001 |
| Pace-maker dependence | 1.3 | 1.5 | 0.604 |
| VT/VF | 0.5 | 3.3 | 0.03 |
| Asthma | 7.9 | 2.5 | < 0.001 |
| Preoperative OTI | 0.5 | 1.3 | 0.017 |
| Pulmonary hypertension | 16.6 | 10.7 | <0.001 |
| Cirrhosis | 0 | 0.2 | <0.001 |
| Dialysis | 0.5 | 0.9 | 0.151 |
| Acute or chronic renal failure | 5.1 | 4.6 | 0.457 |
| Asymptomatic abdominal aortic aneurysm | 0.8 | 1.3 | 0.128 |
| Carotid disease (bilateral or unilateral occlusion) | 3.0 | 2.6 | 0.612 |
| Peripheral vascular disease | 6.9 | 9.1 | 0.013 |
| Previous transfusion reaction | 0 | 0.2 | < 0.001 |
| Severe neurological disease (paraplegia, hemiparesis, muscular dystrophy) | 7.6 | 8.4 | 0.364 |
| Unsuccessful PTCA | 1.2 | 2.3 | 0.014 |
| Drug abuse | 0 | 2.1 | < 0.001 |
| AMI < 48 h | 0.9 | 5.4 | < 0.001 |
| Acute VSD | 0.1 | -- | -- |
| Idiopathic thrombocytopenic purpura | 0 | 0.3 | < 0.001 |
PTCA: Percutaneous transluminal coronary angioplasty; BP: Bernstein Parsonnet 2000; VSD: Ventricular septal defect (no cases in the sample); AMI: Acute myocardial infarction; Preoperative OTI: Preoperative orotracheal intubation; VT/ VF: Ventricular tachycardia / ventricular fibrillation; LV: Left ventricle.