Figure 2.
Cerebral blood flow depends on age and viral load (VL). Mean cerebral blood flow (CBF) for persons aged >50 or ≤50 years belonging to each study group are represented in standard space. Younger participants showed similar CBF regardless of disease group (top row). Among older participants (bottom row), persons with human immunodeficiency virus with detectable VL (bottom right) had reduced CBF, reflecting an interaction between age and VL. Abbreviations: DVL, detectable viral load; HIV, human immunodeficiency virus; PWH, people with human immunodeficiency virus; UVL, undetectable viral load.