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高脂血症是冠心病的重要危险因素。近些年来又认识到血清高密度脂蛋白胆固醇(HDL-C)是冠心病的负性危险因素,从而认为用动脉硬化指数(AI)去估测冠心病较为可靠。AI是指空腹血清总胆固醇(TC)减去HDL-C再与HDL-C的比值。即AI=TC-
Hyperlipidemia is an important risk factor for coronary heart disease. In recent years, it has also been recognized that serum HDL-C is a negative risk factor for coronary heart disease. Therefore, it is considered that the determination of coronary artery disease with Arteriosclerosis Index (AI) is more reliable. AI refers to fasting serum total cholesterol (TC) minus the ratio of HDL-C to HDL-C. Ie AI = TC-