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本文讨论了急性心肌梗塞（ＡＭＩ）结算住院费时，以其病情轻重或以诊断 分类（ＤＲＧｓ）支付数额上的差别。共观察３份属于 ＤＲＧ１２１—１２３ＡＭＩ）病例 ４６４例。分 别从血栓溶解疗法、插心导管及经皮作冠状动脉血管腔内造影（ＰＴＣＡ）等急救措施、住院 长短、冠心病监护病室（ＣＣＵ）中加强护理费、ＥＫＧ、超声波检查及运动试验费以及从药费 上即按ＡＭＩ病情的轻重所化的费用与按ＤＲＧｓ来结算费用，两者的不同。结果是前者的预见性比后者更好，Ｒ２的值较高。
This article discusses the differences in the amount of hospital fees for acute myocardial infarction (AMI) billing hospitals with their severity or DRGs. A total of 464 cases of DRG121-123AMI were observed. Strengthen nursing costs, EKG, ultrasound examination and exercise test fees from thrombolytic therapy, cardiac catheterization and percutaneous transluminal coronary angioplasty (PTCA) and other first aid measures, length of hospitalization, and coronary care unit (CCU). The difference between the cost of medicine according to the severity of AMI and the settlement of costs by DRGs is different from the medicine fee. As a result, the predictability of the former is better than that of the latter, and the value of R2 is higher.