| χ2检验在单向有序分类资料处理时的局限性 |
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| 引用本文： | 鲁婧婧,张晋昕,李河. χ2检验在单向有序分类资料处理时的局限性[J]. 循证医学, 2006, 6(3): 167-169. DOI: 10.3969/j.issn.1671-5144.2006.03.011 |
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| 作者姓名： | 鲁婧婧 张晋昕 李河 |
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| 作者单位： | 中山大学公共卫生学院,广州,510080%广东省人民医院、广东省心血管病研究所流行病学研究室,广州,510080 |
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| 摘 要： | 忽略结果变量的有序性，盲目套用卡方检验，是单向有序列联表资料统计分析中常见的错误。本文针对该问题通过两个例子对单向有序列联表的卡方检验和秩和检验进行解析，以期引起医务工作者及科研人员的重视，正确地从医学资料中获得相应结论。
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| 关 键 词： | 列联表 卡方检验 秩和检验 |
| 文章编号： | 1671-5144（2006）03-0167-03 |
| 收稿时间： | 2006-03-20 |
| 修稿时间： | 2006-03-20 |
The Limitation of χ2 Test to Contigency Table Where One of the Categories is Ordinal |
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| LU Jing-jing,ZHANG Jin-xin,LI He. The Limitation of χ2 Test to Contigency Table Where One of the Categories is Ordinal[J]. The Journal of Evidence-Based Medicine, 2006, 6(3): 167-169. DOI: 10.3969/j.issn.1671-5144.2006.03.011 |
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| Authors: | LU Jing-jing ZHANG Jin-xin LI He |
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| Abstract: | Blindly using chi-square to test association of two factors in row and column of a contingency table without consideration of one factor as ordinal variable is a popular mistake found in academic periodicals. In this article we demonstrate the differences between chi-square and rank-sum test on this type of contingency table analysis through two examples. This article is supposed to make an effort to call the attention of clinical practitioners and researchers to get corresponding results correctly from original data. |
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| Keywords: | contingency table chi-square rank-sum test |
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