Annick N. Yagapen

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OBJECTIVES We documented emergency department (ED) visits for nontraumatic dental problems and identified strategies to reduce ED dental visits. METHODS We used mixed methods to analyze claims in 2010 from a purposive sample of 25 Oregon hospitals and Oregon's All Payer All Claims data set and interviewed 51 ED dental visitors and stakeholders from 6(More)
OBJECTIVES Clinical prediction models for risk stratification of older adults with syncope or near syncope may improve resource utilization and management. Predictors considered for inclusion into such models must be reliable. Our primary objective was to evaluate the inter-rater agreement of historical, physical examination, and electrocardiogram (ECG)(More)
INTRODUCTION We sought to compare three hospital cost-estimation models for patients undergoing evaluation for unexplained syncope using hospital cost data. Developing such a model would allow researchers to assess the value of novel clinical algorithms for syncope management. METHODS We collected complete health services data, including disposition,(More)
Loss to follow-up of enrolled patients (a.k.a. attrition) is a major threat to study validity and power. Minimizing attrition can be challenging even under ideal research conditions, including the presence of adequate funding, experienced study personnel, and a refined research infrastructure. Emergency care research is shifting toward enrollment through(More)
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