CCL2 and endothelial dysfunction: Conducted correlation analysis of the studied hemostasis and endothelial dysfunction factors was revealed strong positive correlation links between the blood levels of factor II, factor XII, MCP-1 and the presence of vulnerable atherosclerotic plaques in the coronary arteries (r = 0.275, r = 0.359 and r = 0.397, p < 0.05, respectively).