(IL-6/TNF-α ratio) was significantly increased in the T2D group (Figure 2d), compared with the control group (0.9 ± 0.1 vs. 0.6 ± 0.1, p < 0.05), and a strong trend remained also after controlling for HbA1c (p = 0.052). Here, TNF is linked to type 2 diabetes mellitus.