Factors Influencing Progress of Health Information Exchange Organizations in the United States.

Progress is being made toward improved healthcare interoperability in the United States, but exchange between electronic health records alone is insufficient. Using data from the eHealth Initiative's Annual Survey of Health Information Exchange, we developed models of HIE financial and operational progress. Our analysis suggests that organizations that focus on enabling exchange thorugh education and policy need to be considered separately from those focused on the actual exchange. The associations between characteristics and progress in data exchanging HIEs suggest that diversity of participants as both originators and receivers of data and breadth of data are important underlying success factors.