Methods 101 medical charts of inpatients were collected from departments of orthopedics randomly. Define Daily Dose(DDD) ,Drug Utilization Index(DUI), cost, and other factors were analyzed.

• 方法随机抽取2003年101例骨科住院患者的病历,做回顾性调查,以限定日剂量(DDD)作为测定药物利用的单位,将药物利用指数(DUI)、费用档级、费用比等因素作为指标进行分析、评价。