The CMRmyocardial perfusion reserve significantly outperformed angiography for detecting moderate CAV ( area underthe curve , 0.89 [ 95 % confidence interval ( CI ) : 0.79 to 1.00 ] vs. 0.59 [ 95 % CI : 0.42 to 0.77 ] , p = 0.01 ) and severe CAV ( area under the curve , 0.88 [ 95 % CI : 0.78 to 0.98 ] vs. 0.67 [ 95 % CI : 0.52 to 0.82 ] , p = 0.05 ) .