Retrospective

The roles of chronic disease complexity, health system integration, and care management in post-discharge healthcare utilization in a low-income population.

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Relationships between 2-year survival, costs, and outcomes following carotid endarterectomy in asymptomatic patients in the Vascular Quality Initiative.

Principal Investigator: 

Increased identification of emergency department 72-hour returns using multihospital health information exchange.

Principal Investigator: 

Comparison of approaches for heart failure case identification from electronic health record data.

Principal Investigator: 

Development and validation of the Emergency Department Geriatric Readmission Assessment at Yale (ED GRAY): Part 1, fundamental measurement.

Principal Investigator: 

The use of count data models in biomedical informatics evaluation research.

Principal Investigator: 

The effect of provider characteristics on the responses to medication-related decision support alerts.

Principal Investigator: 

Provider variation in responses to warnings: do the same providers run stop signs repeatedly?

Principal Investigator: 

Effect of electronic prescribing with formulary decision support on medication tier, copayments, and adherence.

Principal Investigator: 

The effects of electronic prescribing by community-based providers on ambulatory medication safety.

Principal Investigator: