求翻译：Logistic回归分析在医学研究中应用广泛，目前主要是用于流行病学研究中危险因素的筛选。它不仅可以完成几个到几十个因素的多因素分析,而且可逐步回归筛选出对回归方程起显著性作用的因素,甚至在计算机上可很简单地分析回归方程中的各变量之间有无交互乘积作用，在数据分析、危险因素推断方面显示出了其巨大优势和效能。是什么意思？

logistic regression analysis is widely used in medical research, the key is used for the screening of risk factors in epidemiological studies. It not only can be done several to dozens of factors, multivariate analysis, and stepwise regression to filter out the significant factors for the regression

Logistic regression analysis in medical research in wide range of applications, the current is primarily used for epidemiological studies of risk factors in selection. It is not only a few can be done to a few of the more than 10 factors, and to analyze factors gradually return filters out the regre

The Logistic regression analysis applies widely in the medical research, at present mainly is uses in the epidemiology research dangerous factor screening.Not only it may complete several to several dozens factor multi-factor analyses, moreover may return gradually screens plays the significance rol

Logistic regression analysis widely used in medical research, are mainly used in the epidemiological study on risk factors of filter. Not only can it through a few dozens of factors analysis of multiple factors, and stepwise regression filter out factors that play a prominent role for the regression