军队医院药品收益主成分回归分析

目的 通过分析7所军队医院2007-2010年药品收益的影响因素，建立药品收益的回归方程。方法 数据摘自2007-2010年7所医院财务收支数据和绩效考评数据；建立Excel 2003数据库，运用SPSS18.0进行医院规模、服务量、当地经济水平、药品加成率等变量的主成分分析。遴选3个主成分进行多元回归分析，建立回归方程。结果 ⑴医院规模和服务量是药品收益的主要影响因素；⑵均次费用对医院药品收益有一定影响；⑶药品加成和当地经济水平与医院药品收益呈负相关。

Analysis of drug revenues in military hospitals by principal component regression

Objective To establish a regression equation for drug revenues by analyzing the factors influencing drug revenues in seven military hospitals from 2007 to 2010. Methods The data were obtained from the financial and performance-effect data in 7 hospitals from 2007 to 2010; the database was created by Excel 2003 software. Principal component regression analysis was performed for variables including the hospital scale, amount of service, local economic level, drug add rate using SPSS 18.0 software. Results and Conclusion (1) Hospital scale and amount of service were the critical influencing factors of drug revenues in military hospitals; (2) Per capita cost of outpatient and inpatient also contributed to drug revenues; and (3) drug add rate and local economic level were negative influencing factors of drug revenues.