Comparison of demographic and periprocedural risk factors by mortality status
| Variable | Alive | Dead |
|---|---|---|
| n=217 (69.3) | n=96 (30.7) | |
| Age (years), mean (95% CI) | 80.5 (79.5 to 81.8) | 78.9 (77.4 to 80.5) |
| Sex (female), n (%) | 106 (48.8) | 34 (35.4)* |
| Diabetes, n (%) | 56 (25.8) | 30 (31.2) |
| Smoking status, n (%) | ||
| Never smoker | 105 (48.4) | 39 (40.6) |
| Ex-smoker | 105 (48.4) | 54 (56.3) |
| Current smoker | 4 (1.8) | 2 (2.1) |
| Unknown | 3 (1.38) | 1 (1.0) |
| Renal impairment, n (%) | 38 (17.5) | 19 (19.8) |
| Previous MI, n (%) | 48 (22.1) | 30 (31.3) |
| Previous PCI, n (%) | 30 (13.8) | 23 (24.0)* |
| Hypertension, n (%) | 156 (71.9) | 69 (71.9) |
| Congestive heart failure, n (%) | 63 (29.0) | 33 (34.4) |
| Pulmonary hypertension, n (%) | 28 (13.7) | 13 (13.5) |
| Previous CABG, n (%) | 73 (33.6) | 31 (32.3) |
| Peripheral vascular disease, n (%) | 122 (56.2) | 59 (61.5) |
| Atrial fibrillation, n (%) | 49 (22.6) | 31 (32.3) |
| Calcification of ascending aorta, n (%) | 45 (20.7) | 25 (26.0) |
| Previous valvuloplasty, n (%) | 25 (11.6) | 19 (19.8) |
| Log EuroScore, mean (95% CI) | 20.6 (18.4 to 22.7) | 24.6 (21.4 to 27.8)* |
*p<0.05; **p<0.01 and ***p<0.001 for differences between proportions or means.
CABG, coronary artery bypass grafting; MI, myocardial infarction; PCI, percutaneous coronary intervention.