This repo is a test study.
It contains a parameterized version of the dataset definition from the ehrql tutorial1, a python script that reads and combines some data from the outputs of the dataset definition, and a measures definition.
The OpenSAFELY platform is a secure analytics framework for electronic health records research in the NHS.
Instead of requesting access for slices of patient data and transporting them elsewhere for analysis, the platform supports developing analytics against dummy data and then running against the real data within the same infrastructure that the real data is stored. Read more at OpenSAFELY.org.