胡纯严,胡良平.如何正确运用χ2检验——生存资料的三种特殊检验与SAS实现[J].四川精神卫生杂志,2021,34(5):404-410.Hu Chunyan,Hu Liangping,How to use χ2 test correctly——the three kinds of special tests of the survival data and the implementation of the SAS software[J].SICHUAN MENTAL HEALTH,2021,34(5):404-410 |
如何正确运用χ2检验——生存资料的三种特殊检验与SAS实现 |
How to use χ2 test correctly——the three kinds of special tests of the survival data and the implementation of the SAS software |
投稿时间:2021-09-15 |
DOI:10.11886/scjsws20210915002 |
中文关键词: 生存资料 多重比较 趋势检验 协变量检验 χ2分布 |
英文关键词:Survival data Multiple comparisons Trend test Covariate test χ2 distribution |
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中文摘要: |
本文目的是介绍生存资料的三种特殊检验以及SAS实现。具体地说,就是生存资料的多重比较、趋势检验和协变量检验。在多重比较中,涉及“两两比较”和“与对照组比较”两种情形;在趋势检验中,涉及“对数秩检验法”和“威尔科克森检验法”两种算法;在协变量检验中,涉及“单协变量检验法”和“逐次增加一个协变量的多协变量检验法”。本文结合一个实例并借助SAS软件实现前述提及的三种特殊检验,对输出结果作出解释,并给出统计结论和专业结论。 |
英文摘要: |
The purpose of the paper was to introduce the three special tests of the survival data and the SAS implementation. Specifically, it was the multiple comparisons, the trend test and the covariate test of the survival data. The multiple comparisons involved two situations: "the pairwise comparison" and "the comparison with control group". In the trend test, it involved two algorithms: "the log-rank test" and "the Wilcoxon test". In the covariate test, it involved "the single covariate test method" and "the multi-covariate test method of adding one covariate step by step". With the help of the SAS software and based on an example, this article implemented the three special tests mentioned above, explained the output results, and made statistical and professional conclusions. |
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