查询词典 chi-square test

T test was applied to measurement data and chi square test or its continuity correction to enumeration data.

s表示。计量资料采用t检验，计数资料采用χ~2检验或校正的χ~2检验。

The measurement data was analyzed statisticly by t-test and enumeration data by chi-square test.

统计学方法计量资料用t检验，计数资料用x~2检验。

Statistical analysis: The measurement data were compared with the t test, and the enumeration data were analyzed with the chi-square test.

统计学分析：计量资料比较用t检验，计数资料用X^2检验。

To analyze the clinical characteristics of AS on Chinese and Western medicine,measurement data were carried out with descriptive frequency analysis and t test,enumeration data were analyzed with chi-square test,the study of TCM patterns were carried out with Pearson correlation analysis,and cluster analysis,etc.

采用Access软件建立与课题相关的数据库进行数据管理，统计分析在统计软件平台进行，计量资料进行描述性频数分析和t检验，计数资料采用卡方检验，证候学研究采用Pearson相关分析、聚类分析等。

The statistics wasanalyzed with statistics software SPSS11.0, the essential measurement data before andafter treatment was compared with matched-pairs t-test, and group comparison withindependent sampler t-test while enumeration data with chi-square criterion.

3结果 ①治疗前后部分生化指标：两组与治疗前比较有差别，P＜0.05，治疗组与对照组治疗后比较有差别，P＜0.05，说明结肠透析配合中药加活性碳保留灌肠治疗，可以使Scr，BUN降低，Hb有明显升高。

Through a questionnaire survey, the occupation choice and education of the subjects are explored and analyzed with chi-square test, one-way ANOVA, two-way multivariate analysis of variance, and t-test.

本研究采用问卷方式调查受测者之职业选择状况及在校求学状况，并以卡方检定、相依样本单因子变异数分析、双因子多变量变异数分析以及t检定等统计方法进行统计分析。

Chi-square test indicated that there was no significant difference compared to human patch test.

与人体斑贴试验结果经校正χ2 检验比较，差异无显著性意义，其灵敏度、特异度、阳性预测价值、阴性预测价值均为1。

The following values was measured: angle of cusp line between the second and third molar, impact state and depth, distance from Rickett's Xi to distal cusp of third mandibular molar along the occlusal plane, anterior border of ramus to the third mandibular molar, distance from projection of distal contact point of maxillary third molar to intersection of pterygoid vertical on occlusal plane.The change between pre-and post-treatment was calculated and analyzed with SPSS10.0 software package.α angle, Xi-LTM, R-LTM, R-LTM were tested with independent-sample t test, impact state and depth was tested with Chi-square test. Influence of age on the values was also evaluated.

测量治疗前后的第二、第三磨牙牙尖连线角度、阻生状态和深度，Rickett's Xi点到下颌第三磨牙远中尖距离、下颌支前缘到第三磨牙远中尖距离、翼上颌裂切线到上颌第三磨牙后缘的距离及上、下磨牙的前移量，计算治疗前后各变量的差值，采用SPSS10.0软件包进行统计学分析，α角、Xi-LTM、R-LTM、R-LTM用t检验，阻生状态和深度用χ^2检验，比较年龄因素对各指标的影响。

The methods used to analyze data are descriptive statistics, T test, Chi-Square test, correlation analysis, and Logistic regression. The statistic software tool used for analysis is SPSS 12.0. Major research results are as follows.

所得研究资料以描述性统计、t检定、卡方检定、相关分析及罗吉斯回归分析等统计方法进行分析，分析工具采用SPSS 12.0版统计套装软体，由分析结果得知

Results The distribution of the curative effect is verified by Wilcoxon signed rank test（P .01）.There are significant statistical differences of the two groups; the cure rates（72.97% vs 15.38%）and the total effective rates（94.59% vs 73.08%） of two groups are verified by contingency table chi square test（P.01 vs P.05 ）, There are all significant statistical differences.

结果 治疗组和对照组经Wilcoxon符号秩和检验（P＜0.01），差异有显著性，两组治疗方法的疗效分布不同；对两组的治愈率（72.97%和15.38%）和总有效率（94.59%和73.08%）分别采用四格表χ2检验（P＜0.01和P＜0.05 ），差异均有显著性。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。