采用逆概率删失加权分析(IPCW)模型以更好地评估转换治疗的相对治疗效果。
To gain better estimates of relative treatment effects in the presence of selective crossover, we used inverse probability of censoring weighted (IPCW) modeling.
然后将第三章的两个模型分别推广到带常利率情形，利用模型转换和拉普拉斯变换得到了生存概率满足的关系式。
Then we obtained the equations of the survival probability of two risk models with constant interest which have studied in chapter three by means of Laplace transform and change of the model.
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