各变量间相关分析用单因素相关分析、多因素回归和逐步回归分析。
Single-factor correlation, multiple-factor regression, gradual regression and covariance analysis were adopted for correlation analysis among variables.
单因素相关分析显示，血清saa浓度与患者CRP水平有显著相关性。
Single factor related analysis showed that, the levels of serum SAA correlated with CRP significantly.
比较两组间相关危险因素的差别，并对这些危险因素进行单因素相关分析和多元逐步线性回归分析。
We compared the differences of the risk factors between these two groups, and analyzed them by simple correlation and multiple stepwise regressions.
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