Abstract
This paper evaluates changes in quantities and appropriateness of dosages and quantities of prescription in capitation and control pharmacies. The data indicate that, under capitation, changes were made in the quantities of ingredients so that the quantities dispensed were significantly different from those prescribed. However, the number of such modifications to prescriptions was small, and the reader is cautioned against drawing broad conclusions. The analysis, then, considers changes in days' supply of prescription ingredients during the study period. There were significantly increases in the average day's supply of prescription ingredients for maintenance drugs dispensed under the capitation reimbursement scheme; however, no such differences were observed for non-maintenance drugs. Appropriateness of the dosages and quantities of prescriptions were then compared for capitation and fee-for-service pharmacies for the study period, and no significant differences were found. Thus, it is concluded that although capitation was associated with increases in the average days' supply of ingredients dispensed for maintenance prescriptions, such changes did not adversely affect the quality of drug therapy as measured by two sets of criteria.
Published Version
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