CD4 and autoimmune thrombocytopenic purpura: As shown in Table 6, CXCR3 levels on BM and PB CD4+IFN-γ+ T cells from ITP patients were significantly higher than from HCs (BM: 1527.3 ± 216.1 vs. 1063.5 ± 217.5, P = 0.001; PB: 1705.5 ± 235.1 vs. 1293.7 ± 141.6, P = 0.002).