Fig. 1From: Validation of coding algorithms for identifying people with viral hepatitis using claims data according to different standard referencesNumerator and denominator for A positive predictive values (PPV) and B sensitivities (Sen) according to different reference standards (RSs) and study periods (SPs) using coding algorithm “ ≥ 2 outpatients or ≥ 1 inpatients codes” for years 2016–2019 as an exampleBack to article page