Klaus W. Lemke, PhD

An updated emergency visit classification tool enables managers to make valid inferences about levels of appropriateness of emergency department utilization and healthcare needs within a population.

An evaluation of the added value of risk markers derived from ambulatory laboratory tests in the prediction of healthcare costs and identification of high-risk patients.

Predictive models from diagnostic or medication data identify care management candidates who are more amenable to clinical interventions than groups identified using prior cost alone.

At 1 year after Hurricane Katrina, the health burden of enrollees increased significantly more versus a comparison group. Emergency department visits and hospitalizations remained elevated.