This showed that age ≥ 60 years, BMI ≥ 24 kg/m2, SOFA score ≥ 2 points, Lac/Alb ratio ≥ 0.16 and SAPS II ≥ 40 points were independent risk factors for death in patients with sepsis (Figure 4, P < 0.001). The gene discussed is LCT; the disease is Sepsis.