Abstract 112: Statin Utilization in the Outpatient Clinic of a University Based Residency Training Program

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Abstract

Background: Current guidelines released in 2013 recommend statins for five specific patient groups including persons with clinical atherosclerotic cardiovascular disease (ASCVD) and diabetes. National estimates of statin utilization in 2012 report statin use in persons with ASCVD at 58.8% and 63.5% among persons with diabetes. A recent review also showed suboptimal statin prescription rates prior to 2013, with only 23% being prescribed a statin at goal dose. Our goal was to assess statin prescriptions in a large resident run outpatient clinic and identify factors affecting statin prescriptions as potential targets for intervention to improve compliance with the guidelines.

Methods: We obtained data from the medical record data warehouse of a primary care outpatient clinic within a large safety-net hospital from Jan–Dec 2015. The clinic is predominantly run by internal medicine residents and supervised by general internal medicine attending physicians. Patients with a diagnosis of ASCVD and diabetes were identified and electronic medical records abstraction was done to identify persons who were prescribed a statin (regardless of dose). Bivariate analyses were conducted to identify potential factors affecting statin prescriptions.

Results: Our patient population was predominantly African American, representing more than 70% of our clinic patients. We found 87% of persons with ASCVD and 70% of persons with diabetes were on statin. We found no differences in statin prescriptions by demographic characteristics among persons with ASCVD. Among patients with diabetes, younger age (p<0.01), female sex (p<0.05), non-black race (p<0.05) and private insurance/lack of insurance (p<0.01) were associated with a lower likelihood of being prescribed a statin.

Conclusion: Statin prescriptions among patients with ASCVD and diabetes appear to be higher in our patient population compared to prior national estimates, however statin prevalence remains suboptimal. Our next steps are to begin a targeted educational intervention for residents in the continuity clinic and ultimately demonstrate that resident driven intervention is an effective way to increase compliance with the guidelines.

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