Objective:To examine the correlation between the severity of coronary artery stenosis and renal dysfunction in older people with coronary heart disease.Method:The 357 patients with coronary heart disease were enrolled(AMI group,n=93;UA group,n=164;SA group,n=100).The 50 patients with negative coronary angiography were enrolled as control.We calculated their Gensini score,and detected their clinical parameters.Result:In AMI group,LogGS were much higher than those of UA group and SA group(1.74±0.28,1.48±0.42,...