Exploratory PCA of inflammatory mediators and cellular immunophenotypes. A) Bridge normalized NPX values from Olink Target 96 Inflammation Panel, B) percentage of lineage parent population for each of 37 immune cell types, or C) the combined data sets were the inputs for PCA. In each case, the input data were standardized and centered. The individuals are colored by group (HIV: HIV+/PWID−, IDU: HIV−/PWID+, DP: HIV+/PWID+), and the control group (CON: HIV−/PWID−) was circled.