Comparison between coronary sinus samples taken before and after sampling in the coronary arteries. (A) Platelet CD62P, (B) platelet PAC-1, (C) platelet-monocyte aggregates (PM-Agg), (D) platelet-granulocyte aggregates (PG-Agg), and (E) soluble CD62P. MFI indicates mean fluorescence intensity. P = not significant for all comparisons shown. Solid bars and error bars represent mean ±SD.