Univariate linear correlation analysis was used for comparison among the variables.
变量间采用单因素直线相关分析。
Methods Self control design, significance test and linear correlation analysis were used.
方法采用自身对照设计、显著性检验和直线相关分析等方法。
Multiple linear correlation analysis and related analysis were performed to set up the linear regression equation for the association of the factors with BP.
应用多元直线相关分析和相关分析，建立直线回归方程，考察各因素与血压的相关性。
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