影响出院者平均住院日多因素分析

Research on the Determinants of the Average Hospitalized Day.

目的 全面探讨影响医院平均住院日的因素及其定量关系 ,从而为医院找到针对性的方法 ,提高医院的医疗质量 ,降低平均住院日。方法 调查北京某大医院 1999年出院者 9176人 ,利用多元逐步回归方法 ,计算出不同因素与出院者住院日定量关系。结果 影响住院日的因素是多方面的 ,影响因素包括 :转科情况、确诊天数、出生年份、患多种疾病、性别、院科别、第二诊断转归、婚姻、入院情况、入院日期等 (P <0 0 5 ) ,而与费别、第三诊断转归、出院月份、入院月份、第一诊断的转归无关 (P >0 0 5 )。结论 降低平均住院日的方案必须有针对性 。

Objective To determine factors which have important effects on the average hospitalized day,and measure them quantitatively.Methods 9176 patients hospitalized in 1999 were studied.We have estabilished a multiple regression equation by the method of stepwise regression analysis with SPSS software.Results There are many important factors to determine the average hospitalized day,including 9 independant variables:changed department,diagnosed days,age,the number of illness,sex,etc(P<0 05).Conclusion We shorten the average hospitalized day in order to increase medical treatment quality.