姚婷婷,李长平,胡良平,马骏,刘媛媛.如何正确运用t检验——两算术均值比较优效性t检验及SAS实现[J].四川精神卫生杂志,2020,33(4):297-301.Yao Tingting,Li Changping,Hu Liangping,Ma Jun,Liu Yuanyuan,How to use t test correctly——the superiority t test of the comparison between two arithmetic means and SAS implementation[J].SICHUAN MENTAL HEALTH,2020,33(4):297-301
如何正确运用t检验——两算术均值比较优效性t检验及SAS实现
How to use t test correctly——the superiority t test of the comparison between two arithmetic means and SAS implementation
投稿时间:2020-07-17  
DOI:10.11886/scjsws20200717002
中文关键词:  优效性检验  优效性界值  t检验  算数均值比较
英文关键词:Superiority test  Superiority cut-off value  t test  Comparison of arithmetic mean
基金项目:国家自然科学基金项目(项目名称:贝叶斯生存分析方法在肝细胞癌肝移植患者预后预测中的应用研究,项目编号:81803333)
作者单位邮编
姚婷婷 天津医科大学公共卫生学院天津 300070 300070
李长平 天津医科大学公共卫生学院天津 300070
世界中医药学会联合会临床科研统计学专业委员会北京 100029 
100029
胡良平 世界中医药学会联合会临床科研统计学专业委员会北京 100029
军事科学院研究生院北京 100850 
100850
马骏 天津医科大学公共卫生学院天津 300070 300070
刘媛媛 天津医科大学公共卫生学院天津 300070 300070
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中文摘要:
      本文主要介绍临床试验中优效性检验的概念、假设检验、界值设定和样本量的估计以及成组设计一元定量资料优效性t检验的SAS实现。通过实例展示SAS在优效性t检验中的应用,分别基于两种数据结构(原始定量数据和样本含量、均值、标准差数据)进行操作,对结果进行解释并作出结论。
英文摘要:
      This article mainly introduced the concepts, hypothesis testing, cut-off setting and sample size estimation of the superiority test in clinical trials and the implementation of SAS for superiority t test of unary quantitative data in group design. The application of SAS software in the superiority t test was demonstrated through examples. Operating steps based on two data structures (based on raw quantitative data and based on sample size, mean and standard deviation data) were given. And it was also to explain the results and make the conclusion.
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