Regional and Practice Variation in Adherence to Guideline Recommendations for Secondary and Primary Prevention Among Outpatients With Atherothrombosis or Risk Factors in the United States

Adherence to guideline-recommended preventive therapies in the outpatient setting was affected by patient characteristics, geographical region, and treating physician specialty. Novel approaches may be needed to improve the use of evidence-based, guideline-recommended therapies in these outpatient settings.