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National trends and disparities in statin use for ischemic heart disease from 2006 to 2018: Insights from National Ambulatory Medical Care Survey.
BACKGROUND: Statins are a cornerstone guideline-directed medical therapy for secondary prevention of ischemic heart disease (IHD). However, recent temporal trends and disparities in statin utilization for IHD have not been well characterized. METHODS: This retrospective analysis included data from outpatient adult visits with IHD from the National Ambulatory Medical Care Survey (NAMCS) between January 2006 and December 2018. We examined the trends and predictors of statin utilization in outpatient adult visits with IHD. RESULTS: Between 2006 and 2018, we identified a total of 542,704,112 weighted adult ambulatory visits with IHD and of those 46.6% were using or prescribed statin. Middle age (50-74 years) (adjusted odds ratio [aOR] 1.65, 95% confidence interval [CI] 1.28-2.13 P < .001) and old age (≥75 years) (aOR = 1.66, CI 1.26-2.19, P < .001) compared to young age (18-49 years), and male sex (aOR = 1.35, CI 1.23-1.48, P < .001) were associated with greater likelihood of statin utilization, whereas visits with non-Hispanic (NH) Black patients (aOR = 0.75, CI 0.61-0.91, P = .005) and Hispanic patients (aOR = 0.74, CI 0.60-0.92, P = .006) were associated with decreased likelihood of statin utilization compared to NH White patient visits. Compared with private insurance, statin utilization was nominally lower in Medicare (aOR = 0.91, CI 0.80-1.02, P = .112), Medicaid (aOR = 0.78, CI 0.59-1.02, P = .072) and self-pay/no charge (aOR = 0.72, CI 0.48-1.09, P = .122) visits, however did not reach statistical significance. There was no significant uptake in statin utilization from 2006 (44.1%) to 2018 (46.2%) (P = .549). CONCLUSIONS: Substantial gaps remain in statin utilization for patients with IHD, with no significant improvement in use between 2006 and 2018. Persistent disparities in statin prescription remain, with the largest treatment gaps among younger patients, women, and racial/ethnic minorities (NH Blacks and Hispanics).
Duke Scholars
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Related Subject Headings
- Young Adult
- United States
- Retrospective Studies
- Myocardial Ischemia
- Middle Aged
- Medicare
- Male
- Hydroxymethylglutaryl-CoA Reductase Inhibitors
- Humans
- Health Care Surveys
Citation
![Journal cover image](https://secure.syndetics.com/index.aspx?isbn=/lc.gif&issn=1097-6744&client=dukeuniv)
Published In
DOI
EISSN
Publication Date
Volume
Start / End Page
Location
Related Subject Headings
- Young Adult
- United States
- Retrospective Studies
- Myocardial Ischemia
- Middle Aged
- Medicare
- Male
- Hydroxymethylglutaryl-CoA Reductase Inhibitors
- Humans
- Health Care Surveys