Figure 4A shows the area under receiver operating characteristic curve of VNN1 (AUC value: 0.995) in the GSE134347 data set. To make the outcome persuasive, we chose the GSE69063 data set to validate the diverse expression of VNN1 between the healthy control group and sepsis, including patients on arrival in the emergency departments (T0), 1 h later, and 3 h after arrival (Figure 4B). The gene discussed is VNN1; the disease is Sepsis.