The impact of cost sharing on emergency department use.

摘要: We studied the effect of insurance coverage on use emergency department services, using data from a national trial cost sharing in health insurance. A total 3973 persons below age 62 years were randomly assigned to fee-for-service plans with coinsurance rates 0, 25, 50, or 95 per cent, subject an income-related upper limit out-of-pocket expenses. Persons no had expenses that 42 cent higher than those for plan (P less 0.01) and about 16 smaller amounts sharing. Without sharing, visits serious diagnoses (e.g., abrasions) increased three times as much did more lacerations). After control insurance, lower third income distribution 64 0.001) received greater proportion their ambulatory care department. conclude absence results significantly does disproportionate amount involves conditions.