Fig. 2

Correlations between depressive symptoms and serum cytokine concentrations in 2015. In 2015, significant positive correlations between CES-D scores and serum concentrations of the cytokines TNFα and IL-17A were observed in women. IL-6, IL-10, IL-12 and IL-17 concentrations were base 10 log-transformed. CES-D: the Centre for Epidemiologic Studies Depression Scale