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KMID : 0387319990090020118
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Korean Journal of Health Policy and Administration
1999 Volume.9 No. 2 p.118 ~ p.138
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Variations on Durg Utilization between the Types of Hospital in Some Frequent Diseases
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Park Sylvia
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Abstract
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This study presents the variations on drug utilization for outpatients´ URI, gastritis, and hypertension by the type of hospital- tertiary hospital, general hospital, hospital, clinic. It investigated drug expenses, daily drug expenses, days of medication, the highest price of the drugs used, and the number of the different drugs used for each disease and type of hospital. This study also performed analysis to see how much the variations of variables related to drug use affect the variations of drug expenses. The dependent variable was drug expenses and the independent variables were days of medication, the average price of the drugs used, and the number of the different drugs used,
Analysis of the drug utilization was performed on NFMI(National Federation of Medical Insurance) 1994 medical expense claim data. Patients with secondary diseases were excluded. In this study, 379 patients with URI, 386 patients with gastritis, 1,257 patients with hypertension were included.
It was founded that there were large variation on drug utilization between the types of hospital for same diseases.
Days of medication were longest in tertiary hospitals and shortest in hospitals or clinics. Clinics showed the lowest daily drug expenses in all of the diseases investigated. Daily drug expenses were highest in general hospitals or hospitals, which also tended to use drugs of higher price than other types of hospital. General hospitals and hospitals had larger variations in daily drug expenses and the highest price of drugs. It suggested that drug might be utilized overly in general hospitals and hospitals and some other factors might influence on drug utilization in these hospitals.
It was found that the variations of drug expenses were affected by the variations of drug price and days of medication rather than the number of the different drugs. Then the strategy to reduce the variations of drug utilization and to improve the quality of drug utilization should focus on the drug price and days of medication.
Further study is needed to assess the quality as well as the variation of drug utilization and to show the factors which affect them.
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KEYWORD
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drug utilization, hospital, URI, gastritis, hypertension
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