目的 对比天津市抗微生物类基本药物与医保非基本药物的价格水平及变化趋势。方法 利用2008年第1季度至2010年第4季度(2008Q1~2010Q4)天津市城镇职工基本医疗保险参保人10%随机抽样的报销数据,分别在产品水平(具有相同有效成分、剂型、规格、生产企业的药品)和通用名水平(相同有效成分),利用费氏和链式费氏价格指数分析各季度药品价格水平。结果 从2008Q1~2010Q4,在产品水平下,抗微生物类基本药物的链式费氏指数下降了15%,医保非基本药物下降了6%;在通用名水平下,基本药物的链式费氏指数下降了44%,医保非基本药物下降了18%。费氏与相应的链式费氏价格指数结果相似。通用名水平下测得价格水平下降速度大于相应产品水平下测得的结果。结论 在研究期间,天津市抗微生物类基本药物和医保非基本药物的价格水平都呈现出下降趋势,且基本药物价格水平下降速度大于医保非基本药物。通用名水平下的价格下降速度大于产品水平下的价格下降速度,说明在同一通用名下存在低价药品不断替代高价药品的市场现象。
Abstract
OBJECTIVE To evaluate the price trends of the essential and the non-essential antimicrobial drugs by using index method in Tianjin, China.METHODS Data were extracted from the Urban Employee Basic Medical Insurance Database of Tianjin, China, from 2008Q1 to 2010Q4. Price indices were calculated both at product level(defined by molecule, strength, preparation, and manufacturer) and molecule level(defined by active ingredient). Price indices were measured by Fisher and chained Fisher index formulas by quarter.RESULTS From 2008Q1 to 2010Q4, at product level, the chained Fisher index for the essential anti-infective medicines decreased by 15%, and for the non-essential anti-infective medicines decreased by 6%. At molecule level, the chained Fisher index for the essential anti-infective medicines decreased by 44%, while for the non-essential anti-infective medicines decreased by 18%. For the essential and non-essential anti-infective, the results of chained Fisher and unchained counterparts were similar. The price indices at molecule level decreased faster than the counterparts at product level. CONCLUSION From 2008Q1 to 2010Q4, the price of the essential and non-essential anti-infective medicines among national reimbursement drug list had decreased in Tianjin, China, and the price of the essential anti-infective decreased faster than the non-essential anti-infective medicines. The price indices at molecule level decreased faster than the counterparts at product level, suggesting that there was a substitution effect that the consumers use relatively more of the cheap medicines.
关键词
基本药物 /
抗微生物 /
价格指数 /
链式指数
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Key words
essential medicine /
antimicrobial /
price index /
chained index
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中图分类号：
R956
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