Objective To study the coronary angiographic features of coronary heart disease complicated with type 2 diabetes mellitus in the elderly patients.Methods Fifty elderly patients with coronary artery disease complicated with type 2 diabetes mellitus(DM group) and another fifty elderly patients with coronary heart disease not complicated with diabetes mellitus(control group) received coronary artery angiography and were compared.Results DM group was mainly demonstrated with multivessel disease or multiple sten...