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Flow chart of inclusion/exclusion criteria for 22 027 PLWH in care at CNICS after January 2010. Exclusions were made for those not exposed to any of the ART core classes, those with fewer than two haemoglobin levels and those missing baseline covariates, resulting in 16 505 PLWH who were included in these analyses. ART, antiretroviral therapy; CNICS, Centers for AIDS Research Network of Integrated Clinical Systems; PLWH, people living with HIV.
