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在药物经济学研究中,国外学者在利用可信区间法进行敏感度分析时,常用的方法有Fieller理论、Taylor公式和靴襻法(bootstrap method)分析。其中Fieller理论、Taylor公式在计算成本-效果比的可信区间时要求成本和效果数据的分布满足正态分布,而实际上临床试验所得到的数据多数不?
In the study of pharmacoeconomics, foreign scholars often use the Fieller theory, the Taylor formula and the bootstrap method to analyze sensitivity using the confidence interval method. Among them, the Fieller theory and the Taylor formula require that the distribution of cost and effect data satisfy the normal distribution in the calculation of the confidence interval of the cost-effect ratio, but in fact, most of the data obtained from clinical trials are not?