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A Comparison of Clinical Surveillance Systems in New York City

Description

The widespread adoption of Electronic Health Records and the formation of Health Information Exchanges has opened up new possibilities for public health monitoring. Since 2009, The New York City (NYC) Department of Health and Mental Hygiene (DOHMH) has been developing two public health surveillance systems for chronic diseases. The first is the NYC Macroscope, which is built on a distributed query network (the Hub) of 740 New York City ambulatory practices all using proprietary software from one EHR vendor (eClinicalWorks). The second model, Query Health, still in its initial phase, accesses data collected by Healthix, the largest NYC HIE. This study compares these two models for potential disease surveillance and public health application.

Objective

To compare two clinical surveillance systems in development in New York City, one built on a distributed query network of electronic health records (EHRs) and the other accessing data from a Health Information Exchange (HIE).

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