Table 1.
Demographic characteristics of the studied population.
| Variável | Total | 70-79 anos | ≥ 80 anos | P |
|---|---|---|---|---|
| (n=348) | (n=250) | (n=98) | ||
| Average age (years) | 76.8±4.6 | 74.5±2.8 | 82.7±2.7 | <0.001 |
| Male patients (%) | 195 (56.0) | 143 (57.2) | 52 (53.1) | 0.562 |
| SAH (%) | 251 (72.1) | 178 (71.2) | 73 (74.5) | 0.629 |
| Diabetes (%) | 77 (22.2) | 57 (22.8) | 20 (20.4) | 0.734 |
| BMI ≥ 30 kg/m2 (%) | 62 (17.8) | 42 (16.8) | 20 (20.4) | 0.525 |
| COPD (%) | 38 (10.9) | 33 (13.2) | 5 (5.1) | 0.047 |
| Previous smoking (%) | 147 (42.2) | 118 (47.2) | 29 (29.6) | 0.004 |
| Current smoking (%) | 10 (2.9) | 9 (3.6) | 1 (1.0) | 0.293 |
| Heart failure III/IV (%) | 132 (37.9) | 91 (36.4) | 41 (41.8) | 0.414 |
| LVEF < 40% (%) | 28 (8.0) | 16 (6.4) | 12 (12.2) | 0.113 |
| Angina III/IV (%) | 23 (6.6) | 18 (7.2) | 5 (5.1) | 0.639 |
| Unstable angina (%) | 25 (7.2) | 21 (8.4) | 4 (4.1) | 0.241 |
| Syncope (%) | 96 (27.6) | 71 (28.4) | 25 (25.5) | 0.682 |
| Previous CVA (%) | 24 (6.9) | 17 (6.8) | 7 (7.1) | 1.000 |
| Peripheral vascular disease (%) | 35 (10.1) | 30 (12.0) | 5 (5.1) | 0.084 |
| Previous cardiac surgery (%) | 45 (12.9) | 33 (13.2) | 12 (12.2) | 0.951 |
| Previous AMI (%) | 17 (4.9) | 12 (4.8) | 5 (5.1) | 1.000 |
| Urgency/emergency surgery (%) | 7 (2.0) | 5 (2.0) | 2 (2.0) | 1.000 |
| Ischemia time (min) | 57.1±17.4 | 57.0±17.8 | 57.2±16.3 | 0.934 |
| CPB time (min) | 73.9±21.6 | 73.6±20.9 | 74.9±23.5 | 0.598 |
SAH = Systemic arterial hypertension; BMI = body mass index; COPD = chronic obstructive pulmonary disease; LVEF = left ventricular ejection fraction; CVA = cerebrovascular accident; AMI = acute myocardial infarction; CPB = cardiopulmonary bypass