GP6 and coronary artery disorder: However, compared to healthy controls and CAD patients, GPVI expression levels were significantly lower in ECMO patients (e.g., MFI day 1 vs. healthy vs. CAD: 2,261 ± 95.8 vs. 3,115 ± 182.5 vs. 3,481 ± 87.5, p < 0.001).