Fig. 3

ROC curve of bypass graft. A ROC curve of LIMA; B ROC curve of DIAG; C ROC curve of OM; D ROC curve of PDA; E ROC curve of PLA. ROC, receiver operating characteristic; LIMA, left internal mammary artery; DIAG, diagonal artery; OM, obtuse marginal branch of circumflex artery; PDA, posterior descending artery; PLA, left posterior artery; SVG, saphenous vein graft; MGF, mean graft flow; PI, pulsatile index; DF, diastolic filtration