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Welcome to OHDSI

OHDSI is a multi-stakeholder, interdisciplinary collaborative that is striving to bring out the value of observational health data through large-scale analytics. The OHDSI Research Network spans over 600 million patients. We hope you'll Join the OHDSI Journey.

Find out more at

Want to edit the OHDSI wiki, or upload a file?

Apply for wiki log-in details here.


Learn how to implement the OMOP CDM and use OHDSI's analytics tools to get more out of your data.


Contribute to OHDSI open-source software development and methodology research.


Ask questions of the OHDSI community, join the community calls and the research network.

welcome.1512500424.txt.gz · Last modified: 2017/12/05 19:00 by maura_beaton