CTSI Blog

Now available - i2b2 Cohort Discovery

i2b2 is a cohort discovery tool - this tool assists the researchers in determining the number of patients matching key study criteria. These criteria include patient demographics, diagnoses (ICD9 codes), procedures (ICD9 and CPT codes), and clinical information.

Understanding study feasibility, early in your study design is a critical first step in the path to successful research.

The i2b2 tool searches the Academic Health Center Information Exchange clinical data repository to determine the size of the cohort that meets your study criteria of interest; including patient data from the Fairview Health Services hospitals and 40+ clinics - representing over 1.8 million patients.

Because no patient identifiers or clinical data are revealed, i2b2 is available without IRB approval.

For more information or help with i2b2 click here. Or contact the Informatics Consulting Service.

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