ABSTRACT
Objective:This study aimed to evaluate the impacts of the separation between revenue and expendi-ture on the outcome of the payment policy"fix out of pocket". Methods: Using descriptive analysis, difference in difference(DID) model based on data from Wanning county where the new policy has been carried out,Ledong coun-ty where has not,including claim data and hospital utilization data from Nov 2010 to Oct 2014. We also supplemen-ted and interpreted the results of quantitative analysis combined with qualitative data from the interview recording ma-terial;Results:As for the two most common hospitalized diseases(hypertension and pneumonia),the number of in-patient visits in primary medical institutions didn't change respectively. From DID model, the policy only increased out of pocket(OOP) in Wanning by 11% and 28% and decreased average medical expense in Qionghai by 66% and 67% respectively. Conclusion:The separation between revenue and expenditure make the"fix out of pocket"pay-ment policy have better performance on the control of medical expense.