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Overview of the Large-scale Evidence Generation and Evaluation across a Network of Databases (LEGEND) Hypertension study. The numbers reported here only include those data elements that were actually observed in the data. For exposures, a minimum of 2500 new users in at least 1 database was required. Outcomes had to be observed at least once. Admin. claims = administrative claims, EHRs = electronic health records, ITT = intent-to-treat.
