DLE patients had higher levels of IL-10 in serum (median: 3.2 pg/mL, range: 2.0–51.9 pg/mL) when compared with SCLE patients (median: 2.5 pg/mL, range: 1.1–3.5 pg/mL; P = 0.05; Figure 6(c), Table 4). Here, IL10 is linked to discoid lupus erythematosus.