Approaches for combining primary care electronic health record data from multiple sources: a systematic review of observational studies.

ABSTRACT:

Objective

To identify observational studies which used data from more than one primary care electronic health record (EHR) database, and summarise key characteristics including: objective and rationale for using multiple data sources; methods used to manage, analyse and (where applicable) combine data; and approaches used to assess and report heterogeneity between data sources.

Design

A systematic review of published studies.

Data sources

Pubmed and Embase databases were searched using list of named primary care EHR databases; supplementary hand searches of reference list of studies were retained after initial screening.

Study selection

Observational studies published between January 2000 and May 2018 were selected, which included at least two different primary

SUBMITTER: Dedman D 

PROVIDER: S-EPMC7559041 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature