Grey Correlation Analysis on the Influential Factors the Hospital Medical Expenditure

Abstract

To investigate the implementation of Grey Correlation Analysis in the research of the hospitalization fee, to analyze the influential factors of the hospitalization expenses, and to provide proof for medical expenses containing measurements.To analyzed the in patient hospital fee of the top ten diseases of internal medicine inpatient in a hospital by Grey correlation analysis The grey correlation analysis shows the correlative degree between each kind of expense and their rankings are as follows: pharmaceutical fee 0.938, bed fee 0.8411, laboratory test fee 0.8331, radiation diagnosis fee 0.7655, and examination fee 0.6108. It indicates that for the internal medical disease, the dominating factor in hospital expenditure is the pharmaceutical fee. It is the medicine expenses which should be cut mostly in order to control the excessive increase of hospital medical expenditure. In the study of hospital medical expenditure, the grey correlation analysis fully utilized information and data, and led to more reasonable conclusions.