对并发症吻合口瘘、术区感染、死亡的危险因素作单因素及多因素分析。
Made a analysis of risk factor of stoma fistula, infection and death. and a survival analysis.
为此，我们选择了134例住院病人进行了病例对照研究，并采用单因素及多因素分析，旨在对LI发病的危险因素有更深入的了解。
For that we have selected 134 inpatients to performed case-control study and employed single factor and multiple factor analysis in order to get a deeper understand about risk factor of LI.
但由于洪水的影响因素多而复杂，故这些研究往往侧重于单因素分析，洪水成因研究进展缓慢。文章对洪水成因的研究成果、研究进展及存在的问题作了评述和前景展望。
But, so to say, the advances are very slow because influence factors of flood are many and complicated, and these studies often laid emphasis on analysis of single factor.
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