Prescriptions for cyclooxygenase-2 inhibitors and other nonsteroidal anti-inflammatory agents in a medicaid managed care population: African Americans versus Caucasians.
OBJECTIVE: To determine whether race is a predictor of a patient's likelihood of being prescribed selective cyclooxygenase-2 inhibitors (COX-2s) versus other nonsteroidal anti-inflammatory agents (NSAIDs) in Medicaid managed care plans ( MCO). DESIGN: All medical and prescription claims for Medicaid MCO enrollees receiving at least one prescription for a COX-2 or NSAID between January 2000 and June 2002 were retrieved. Selected for study were adults claiming at least one COX-2 prescription or NSAID prescription with a minimum 30 days of supply after June 2000; having 60 total days of supply or more over the study period was also required for study inclusion. The probability of being prescribed a COX-2 was estimated as a logistic function of patient age, gender, race, city/suburban/rural residence, and history of rheumatoid arthritis, osteoarthritis, chronic back pain, acute pains, gastrointestinal problems, use of anticoagulants or corticosteroids, and comorbidities. RESULTS: Of the 16,868 enrollees meeting the selection criteria, 4,005 (24%) were prescribed a COX-2 and 12,863 another NSAID. Half of those studied were African American, three-quarters were female, and a third were 50-64 years old. After adjusting for confounders, odds of a COX-2 prescription were a third less for African Americans and other races compared to Caucasians (OR, 0.67; 95% confidence intervals, 0.62-0.73). CONCLUSION: Patient race is a significant predictor of COX-2 prescriptions in the Medicaid population, even after adjusting for other demographic and clinical variables. Cost to the patient was not a factor, as the patient copayment was 1 US dollar for any prescription.[1]References
- Prescriptions for cyclooxygenase-2 inhibitors and other nonsteroidal anti-inflammatory agents in a medicaid managed care population: African Americans versus Caucasians. Shaya, F.T., Blume, S. Pain medicine (Malden, Mass.) (2005) [Pubmed]
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