PS1-19: Method for Using the Electronic Health Record to Create Population Denominators
Open Access
- 1 March 2010
- journal article
- Published by Marshfield Clinic Research Institute in Clinical Medicine & Research
- Vol. 8 (1) , 61
- https://doi.org/10.3121/cmr.8.1.61-b
Abstract
Background/Aims: The HMORN includes research centers that are part of integrated delivery systems where the practice and insurance entities are independent. Rules for defining a population denominator at these centers require a consideration of the practice population that is not a member of the insurance entity, as the notion of enrollment and disenrollment is not relevant. We describe methods for defining a population denominator for primary care patients using data from only the electronic health record (EHR), including consideration criteria for dates that are analogous to membership enrollment and disenrollment. The aim of this study was to create a method for calculating population denominators from the EHR based on utilization activity.Keywords
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