Conventions related to mapping data with dates outside of the observation period.

Issue # and location

Issue summary

In databases with defined enrollment that is used to define the observation period, it is possible for there to be events observed outside of the observation period. What should be done with these events?

Convention type

Global

CDM table

NA

CDM field

NA

Provenance of data

General

The ratified convention

Events CAN fall out of observation period but they cannot be used to identify people in a cohort (as the index date).

Date of ratification/published

Oct 2, 2018

Downstream implications

No

Yes - plausibleTemporalAfter (page under construction)

This is related to the convention that every person in the CDM has to have at least one observation period.