F2RL1 and sarcopenia: Significant differences between the two groups were observed in smoking history, diabetes history, prevalence of sarcopenia, degree of preoperative coronary stenosis, levels of lipoprotein (a) ([Lp(a)]), uric acid (UA), protease-activated receptor 2 (PAR2), monocyte-to-HDL ratio (MHR), and suspended red blood cell input (<i>P</i> < 0.05).