方法：收集该院2006 ~ 2010年住院患者抗菌药使用记录，以限定日剂量(DDD)为单位，计算抗菌药使用强度(aud)并进行分析。
Method: With defined daily dose (DDD) as the unit, the data of drugs used in a hospital from 2006 to 2010 were collected to calculate and analyze the antibacterial use density (AUD).
方法：采用限定日剂量法，以销售金额、用药频度、日均费用为统计指标，对我院2006—2008年肠内营养剂的应用情况进行统计和分析。
Methods: Enteral nutrition drugs used in our hospital from 2006 to 2008 were analyzed statistically in respect of consumption sum, DDDs and DDC by defined daily dose.
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