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. 2018 Nov 23;9:2693. doi: 10.3389/fimmu.2018.02693

Figure 3.

Figure 3

Serum cytokine levels in MDD patients and matched healthy controls (mean + S.E.M.). Serum cytokine levels of IL-6 (A), IL-1β (B), and TNF-α (C) quantified using a high sensitivity ELISA and association between serum cytokine levels and absolute cell counts of non-classical monocytes. Dotted lines represent the limit of detection 55% of IL-1β values from HC and 58% of IL-1β values from MDD patients were < 0.5 × limit of quantification (LOQ, dotted line) and thus set to 0.5 × LOQ. rs = Spearman's rho.