Table 2

Demographic and periprocedural risk factors

VariableMaleFemaleTotal
n=173 (55.3)n=140 (44.7)313
Age (years), mean (95% CI)80.5 (77.7 to 80.0)81.4 (80.1 to 82.6)**80 (79.2 to 80.8)
Diabetes (yes), n (%)55 (31.8)31 (22.1)86 (27.5)
Smoking status, n (%)
 Never-smoker66 (38.1)78 (55.7)*144 (46.0)
 Ex-smoker101 (63.8)58 (41.4)159 (50.8)
 Current smoker2 (1.7)3 (2.1)6 (1.9)
 Unknown3 (1.7)1 (0.71)4 (1.3)
Renal impairment, n (%)38 (22.0)19 (13.6)57 (18.2)
Previous MI, n (%)55 (31.8)23 (16.4)*78 (24.9)
Previous PCI, n (%)29 (16.8)24 (17.4)53 (16.9)
Hypertension, n (%)133 (76.9)92 (65.7)*225 (71.9)
Congestive heart failure, n (%)62 (35.8)34 (24.3)*96 (30.7)
Pulmonary hypertension, n (%)20 (11.9)21 (15.8)41 (13.6)
Previous CABG, n (%)81 (46.8)23 (16.4)***104 (33.2)
Peripheral vascular disease, n (%)112 (64.7.0)69 (49.3)**181 (57.8)
Calcification of ascending aorta, n (%)41 (23.8)29 (20.7)70 (22.4)
Atrial fibrillation, n (%)43 (24.9)37 (26.4)80 (25.6)
Previous valvuloplasty, n (%)28 (16.2)16 (11.5)44 (14.1)
Log EuroScore, mean (95% CI)21.7 (19.3 to 24.0)22.0 (19.2 to 24.8)21.8 (20.0 to 23.6)
  • *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.