there was no significant difference between groups a and b with respect to the volume of contrast media used per patient ( 153 +/- 49 ml vs 154 +/- 45ml ) , age ( 58.4 +/- 10 vs 58.6 +/- 10 years ) , sex ( 70 % male vs 70 % male ) , ejection fraction ( 59 +/- 17 vs 60 +/- 20 ) , history of mitral valve disease ( 5.8 % vs 7.1 % ) , history of aortic valve disease ( 6.7 % vs 6.5 % ) , prior coronary artery bypass graft surgery ( 6.6 % vs 7.3 % ) , or extent of coronary artery disease .
C0010055
coronary
C0205042
coronary artery