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Table 1 Content of the HEGP CDW (as of July 1st, 2016) [27]

From: A Fast Healthcare Interoperability Resources (FHIR) layer implemented over i2b2

  September 2009 December 2013 July 2016
Concepts
 Biology (thousands) 7.29 9.1 11.2
 Diagnostic codes (ICD-10) (thousands) 21.39 39.91 40.25
 Drugs (thousands) 31.36 33.67 41.6
Data facts
 ICD Diagnosis (millions) 1.87 2.94 7.67
 Clinical items (millions) 20.8 61.1 122.2
 Laboratory results (millions) 62.8 98.0 124.3
 Drug orders (millions) 0.95 3.2 6.4
 Text reports (millions) 0.16 2.36 3.7