Age, HF, AF, OMI, prior PCI, stroke, DM, SBP, creatinine, UA, angiotensin-converting enzyme inhibitor(ACEI), 1-vessel disease, 3-vessel disease, CTO, RCA, LCX, LAD, number of treated vessels, diameter of stents, length of stents, and type of stents were included in the multivariable regression analysis. The gene discussed is ACE; the disease is hydrops fetalis.