Jonathan P. Weiner, DrPH

Geriatric syndrome risk factors play a role in understanding postacute destination within and between Medicare Advantage and fee-for-service Medicare cohorts.

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.

Encouraging Value-Based Insurance Designs in State Health Insurance Exchanges

Without clinical information, a decrease in use of medications can serve as a proxy for clinical improvement.

The aDCSI without the inclusion of laboratory data performs similarly to the DCSI with laboratory results, and is a good measure of diabetes severity.

The Diabetes Complications Severity Index without laboratory test results is a good measure of diabetes severity, given its ability to explain costs.

Healthcare forecasting could facilitate personalized insurance benefit design and clinical decision support systems, although increased socioeconomic disparities could result from selective disease management programs.

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.