The drug utilization index ( DUI ) was calculated and used as the index for prescription analysis.
采用“药物使用指数（DUI）”作为对精神药物处方进行分析的指标。
Methods: Various kinds, frequency, and cost of the used drugs were analyzed by means of drug -utilization analysis.
方法：采用药物利用分析法对我院急诊科2002—2003年所用药物的销售金额、品种及应用频度进行分析。
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