Welcome to OHDSI
Covid19 test record for both negative and positive patients
N3C and OMOP
Access to COVID-19 MS Teams
Alpha blockers associated with >50% reduction in mortality in our retrospective study
[covid19] ETL help for converting your data into OMOP
Index date from the cohort definition function
Why don't relationship concepts belong to different vocabularies beyond 'Relationship'?
Independent development for each database platform?
Where does blood type go?
How to store Psychiatric Scale into OMOP data base?
GPI conversion to NDC
How can i store the discription and report of Head CT scan into CDM?
Looking for collaborators
What is the proper way to map to a standard concept if your source has a RxNorm Brand Name?
Sharing: Call to Action to the Tech Community on New Machine Readable COVID-19 Dataset
mapping between concept code to ICD-10-PCS
Update on global antibiotic use for acne characterization protocol
NDC and GCN
Shiny App competition
American/Atlantic Causal Inference Conference
Atlas - What should be Cohort Exit criteria?
Legal Questions for Atlas
Component within OHDSI that would be an official research network
OMOP CDM versions and backwards compatibility with ATLAS and ACHILLES
How missing values are covered by PLP
Do we have a steering committee meeting today?
Why same count Person and Records in Atlas cohort generation
Why have drug strength invalid_reason?
Defining interval period between 2 same blood test within a week before index date of a drug exposure
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