【摘要】 目的 :探讨加速失效时间模型及其在医学研究中的应用。方法 :利用极大似然法对医学数据进行实例分析。结果 :当 Cox模型不适用时 ,加速失效时间模型可以对数据作出很好的估计。结论 :加速失效时间模型在生存分析领域具有良好的适用性。更多还原

【Abstract】 Objective:To study accelerated failure-time model and its application in medical research.Methods:To analyse survival data with accelerated failure-time model using maximum lidelihood method.Results:When Cox model fails to work,the accelerated failure-time model can fit survival data well enough.Conclusion:The accelerated failure-time model has good applicability in the area of survival analysis.更多还原