CD4 and systemic lupus erythematosus: In contrast, B cells naive (p < 0.05), T cells CD4 naive (p < 0.05), T cells CD4 memory resting (p < 0.05), NK cells resting (p < 0.001), mast cells resting (p < 0.0001) and eosinophils (p < 0.05) were significantly lower in SLE than in NC (Figure 6C).