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find Author "苟莉" 2 results
  • APPROPRIATE APPLICATION OF STATISTICAL ANALYSIS METHOD IN MEDICAL SCIENCE AND TECHNOLOGY ARTICLES

    Objective To introduce the appropriate application of statistical analysis method in medical science and technology articles. Methods Expatiated the correct application of statistical theories in statistical package, statistical analysis methods and test criterion which compose the basic statistical content in an article.Results If the distribution of numerical variable is normal, mean and standard deviance can be used to describe this variable. In the same way, t test and analysis of variance (ANOVA) can be used to test the difference of mean in each group. If it is not normal, median and range can be used to describe the variable and rank sum test can be used to test the difference of distribution in each group. Categorical variable can be described by rate, proportion and ratio. There are chi-square test, fisher’s exact test and ranksum test to test the difference of rates. Conclusion It is the key of choosing rational statistical methods to distinguish the type of design and variable. 

    Release date:2016-09-01 09:28 Export PDF Favorites Scan
  • 争创一流科技期刊,促进修复重建外科发展 ——2021 年杂志编委工作会议工作汇报

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