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Percentage of tests with undetectable viral load by first treatment type and era of treatment commencement1
1Closest patient viral load test date to each 90 day interval following first treatment. Viral loads less than or equal to 400 cells/ul categorised as undetectable; global Wald test p-value for era p<0.001 (based on GEE model using normal family, identity link, adjusted for age, IDU exposure, prior ADI and baseline CD4)
