In hyperlipidaemia pancreatitis, the CD4+T lymphocytes presented an AUC of 0.81, the CD19+ B lymphocytes showed an AUC of 0.79, the combination of CD4+T and CD19+ B lymphocytes had an AUC of 0.83, and the AUC of the APACHE II score and Ranson score were 0.60 and 0.54, respectively (Table 7). This evidence concerns the gene CD4 and pancreatitis.