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How can I identify a cohort with a length of at least n consecutive days of not exposing to a drug within m days after the index date? (1)
Net Adverse Clinical Event between Ticagrelor versus Clopidogrel in patients with Acute Coronary Syndrome (9)
OHDSI cohort definition: how to constrain drug durations (4)
Network Study: Existing Stroke Risk Model Validation (1)
The process for proposing and defining a network study ( 2 3 ) (40)
Case Definitions for Chronic Conditions Using SNOMED/OMOP codes? (2)
OHDSI Study: Concordance with antibiotic treatment guidelines for acne (9)
Should we have a 'study nurture committee'? (2)
Propensity score methods for controlling channel bias (8)
Building a validated OHDSI outcome library (15)
FDA will allow observational studies as part of a push for real world evidence, new framework says (1)
Using OMOP CDM for clinical trials, simulation, or adaptive trials? (2)
Review, Evaluate, and Validate the frailty score (1)
[Patient Level Prediction Workgroup] Meetings ( 2 3 4 5 ) (82)
Negative information in OMOP CDM (10)
Opportunity to help the hepatocellular carcinoma research community (5)
ACEI ARB and Lung Ca ( 2 ) (21)
Difference between Condition Era and Condition Group Era (3)
Phenotyping Endometriosis Network Study Feasibility (1)
Risk Factors of Cerebral Hemorrhagic Infarction in Patients Using Anticoagulant Drugs for Cerebral Ischemic Infarction (2)
File based OMOP implementation in multinational PASS study (3)
Interest in sharing pretrained deep learning models from OMOP CDM? (15)
Commit History of StudyProtocolSandbox repository was lost for 5 days (1)
Outcomes count in Cohort Method Data (2)
Enasidenib and Cholangiocarcinoma (11)
How to fit outcome model with only specified covariates using CohortMethod package? (5)
Drug exposure on specific visit (8)
OHDSI Informatics Study: Data Quality (5)
Comparing covariates between outcome and target cohort using FeatureExtraction (1)
Cohort Features vs Сharacterization Reports in Atlas (2)
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