Table 3

Comparison of demographic and periprocedural factors by composite CHA2DS2-Vasc and the modified R2CHA2DS2-VASC Scores

VariableCHA2DS2-Vasc <6CHA2DS2-Vasc ≥6R2CHA2DS2-Vasc <7R2CHA2DS2-Vasc ≥7
n=257 (81.1)n=56 (17.9)n=282 (90.1)n=31 (9.9)
Age (years), mean (95% CI)79.7 (78.2 to 80.6)81.6 (79.6 to 83.5)79.7 (78.8 to 80.6)82.6 (79.9 to 85.2)*
Sex (female), n (%)103 (40.1)37 (66.1)***119 (42.2)21 (67.7)**
Diabetes (yes), n (%)58 (22.6)28 (50.0)***74 (26.2)12 (38.7)
Smoking status, n (%)
 Never-smoker117 (45.5)27 (48.2)128 (45.4)16 (51.6)
 Ex-smoker130 (50.6)29 (51.8)144 (51.1)15 (48.4)
 Current smoker6 (2.3)6 (2.1)
 Unknown4 (1.6)4 (1.4)
Renal impairment, n (%)44 (17.1)13 (23.2)44 (17.1)13 (23.2)
Previous MI, n (%)61 (23.7)17 (30.4)71 (25.2)7 (22.6)
Previous PCI, n (%)42 (16.3)11 (19.6)44 (15.6)9 (29.0)
Hypertension, n (%)178 (69.3)47 (83.9)*197 (69.9)28 (90.3)*
Congestive heart failure, n (%)65 (25.3)31 (55.4)***79 (28.0)17 (54.8)**
Pulmonary hypertension, n (%)34 (13.8)7 (12.7)38 (14.1)3 (9.7)
Previous CABG, n (%)82 (31.9)22 (39.3)95 (33.7)9 (29.0)
Peripheral vascular disease, n (%)135 (52.5046 (82.1)***156 (55.3)25 (80.7)**
Atrial fibrillation, n (%)63 (24.5)17 (30.4)72 (25.5)8 (25.8)
Calcification of ascending aorta62 (24.1)8 (14.3)64 (22.7)6 (19.3)
Previous valvuloplasty, n (%)33 (12.9)11 (19.6)39 (13.8)5 (16.7)
Major vascular complications, n (%)17 (6.8)6 (10.7)19 (6.9)4 (12.9)
 Log EuroScore, mean (95% CI)19.4 (17.5 to 21.3)32.7 (28.7 to 36.6)***20.5 (18.7 to 22.3)32.9 (27.6 to 38.2)***
  • *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.