Table 1.

REporting of studies Conducted using Observational Routinely collected Data (RECORD) recommendations on reporting details around EHR algorithms used to define the study populations, exposures and outcomes

RECORD guideline principle	Description
id number
6.1	The methods of study population selection (such as codes or algorithms used to identify subjects) should be listed in detail.
7.1	A complete list of codes and algorithms used to classify exposures, outcomes, confounders, and effect modifiers should be provided.
13.1	Describe in detail the selection of the persons included in the study (i.e., study population selection) including filtering based on data quality, data availability and linkage.
22.1	Authors should provide information on how to access any supplemental information such as the study protocol, raw data or programming code.