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. 2012 Feb 2;7(2):e30094. doi: 10.1371/journal.pone.0030094

Table 1. Demographic and clinical characteristics.

Characteristics Aspirin P value
Yes No
n = 858 n = 287
Age, yrs 65.3±12.0 59.1±15.3 <0.001
Male gender, % 602(70.2) 167(58.2) <0.001
Body mass index, kg/m2 29.6±9.3 29.8±15.0 0.774
Past medical history
Diabetes 300(35.0) 68(23.7) <0.001
Hypertension 724(84.4) 198(69.0) <0.001
Smoker 163(19.0) 63(22.0) 0.276
Cerebrovascular disease 116(13.5) 30(10.5) 0.178
Peripheral vascular disease 94(11.0) 12(4.2) 0.001
Chronic lung disease 256(29.8) 78(27.2) 0.391
Family History CAD 500(58.3) 123(42.9) <0.001
Clinical pattern
Angina 248(28.9) 50(17.4) <0.001
Congestive heart failure 104(12.1) 43(15.0) 0.210
Previous MI 222(25.9) 42(14.6) <0.001
Multiple CAD 661(77.0) 108(37.6) <0.001
Left main CAD 167(19.5) 18(6.3) <0.001
Medical therapy
Beta-blockers 662(77.2) 140(48.8) <0.001
Diuretics 253(29.5) 80(27.9) 0.603
Digitalis 35(4.1) 11(3.8) 0.854
ACE or ARB Inhibitors 357(41.6) 83(28.9) <0.001
Perfusion time (min) 104.3±46.9 120.2±56.2 <0.001
Cross-clamp time (min) 82.6±41.3 95.3±49.5 <0.001

Values are n (%) for categorical variables and mean±SD for continuous variables.