This study is based on data published in 1991-1995 from the medical insurance statistical yearbook of National Federation of Medical Insurance. Medical utilization and spending were analyzed for ten major categories of injuries and poisoning (800-9 9 . The percent of injury in total medical treatment case was 5.7% in 1990 and 6.6% in 1994 for out--patients, and 9.0% in 1990 and 11.3`?< in 1994 for in-patients. Medical expenditures per claim in 1994 was 20,813won in out--patients injury cases and 804.895%von in in-patients cases.
The hospitalization rate for injury per 1.000 medical insurance population was 7.8 in male and 3.8 in female for 1990, and 9.5 in male and 4.8 in female for 1994. The most common injury and poisoning(10 categories)´ in hospitalized cases was fractures; more than 40%; 42.5% in male and 43.3% in female for 1990, and 44.8% in male and 48.0% in female for 1994. The fractures rate per 1,000 population was lowest for under 19 age group and highest for the elderly aged 60 and over.
More than 60% of the female(60 years and over) with injury and poisoning had fractures. The proportion for intracranial and internal injuries including nerves(850-869, 950-957) increased with age in male, and decreased with age in female_ Male had significantly higher rates than female for open wounds and injury to blood vessels(870-904) in four age groups; -19, 20-39, 40-59 and 60 and over age group. Rate for bum(940-949) was highest in under 19 age group compared with other age group. Total medical expending for injury and poisoning was 123 billion won in 1990 and 233 billion won in 1994. More than 50% of the medical expending was payment for fractures.
In terms of cost for injury in 1994? complications of medical and surgical care incurred the highest expenditures(952, 879 won per claim), whereas the cost of effects of foreign body entering through orifice was lowest(379, 423 won). Key words Injury and poisoning, Aledical expenditures
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