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本文旨在中国医药卫生体制下,探讨医疗保险药品目录调整对药物利用的影响。我们采用间断时间序列模型,分析2009版医保药品目录调整前后相关药品使用情况的变化,发现2009年医保药品目录调整前后,调整药品综合使用金额及每万人使用金额变化如下:1)原甲类调整到乙类的药品分别下降了13.87%和16.37%,原甲类调整到自费的药品分别下降了38.74%和48.03%;2)原乙类调整到甲类的药品分别上升了74.12%和94.52%,原乙类调整到自费的药品分别下降了19.79%和14.52%;3)原自费调整到甲类的药品下降了31.77%和36.22%,原自费调整到乙类的药品下降了12.42%和22.05%。经研究发现中国基本医疗保险药品目录调整总体降低了药品使用金额。
The purpose of this paper is to explore the impact of the adjustment of the medical insurance drug list on the drug utilization in China under the medical and health system. We use the discontinuous time series model to analyze the changes in the use of related medicines before and after adjustment of the 2009 version of the Medicare drug list. We found that before and after the adjustment of the Medicare drug list in 2009, the combined use of medicines and the changes in the amount of use per 10,000 people were as follows: 1) Drugs adjusted for Category B dropped by 13.87% and 16.37% respectively, while those of Drugs A adjusted to self-pay decreased by 38.74% and 48.03% respectively; 2) Drugs adjusted for Category A to Category B increased by 74.12% and 94.52% respectively % Of the original B class adjusted to self-pay drugs decreased by 19.79% and 14.52%; 3) the original self-pay adjustment to a class of drugs decreased by 31.77% and 36.22%, the original self-pay adjustment to Class B drugs decreased by 12.42% and 22.05%. The study found that the overall adjustment of China’s basic medical insurance drug list to reduce the amount of drug use.