Figure 2.
Background is decreased when laboratories use the consensus gating strategy. Box plot of (A) CD4+ background cytokine-positive levels (all three cytokine-positive percentages reported for the unstimulated samples of the three donors for each laboratory in Phase I, (B) all CD4+ background cytokine-positive levels for each laboratory in Phase II, (C) all CD8+ background cytokine-positive levels for each laboratory in Phase I, and (D) of all CD8+ background cytokine-positive levels for each laboratory in Phase II.