Comparison of case-finding algorithms.

CfE: BC Centre for Excellence in HIV/AIDS Drug Treatment Program or Laboratory Program Datasets. MoH: BC Ministry of Health datasets (including discharge abstract datasets (DAD - hospitalizations), PharmaNet (drug dispensation) and Master Services Plan (MSP - physician billing) datasets. CDC: BC Centre for Disease Control HIV testing dataset.*Identified with at least one HIV-related MoH record but no other HIV-related records in the CDC or CfE databases;**Identified with confirmed positive HIV test, a pVL test with detectable viral load or antiretroviral dispensation, and with records in each of the CfE, CDC and MoH databases.