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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 www.ohdsi.org

Apply for wiki log-in details here.

Learn

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

Contribute

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

Collaborate

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