The association of mean levels of P-SEP, IL-6, PCT and CRP with the risk of infection at T0 was strong for P-SEP (Figure 4A, p < 0.001) and CRP (Figure 4D, p = 0.003) and weak for PCT (Figure 4C, p = 0.214) and IL-6 (Figure 4B, p = 0.088). The gene discussed is IL6; the disease is infection.