Fig. 4From: A four prognosis-associated lncRNAs (PALnc) based risk score system reflects immune cell infiltration and predicts patient survival in pancreatic cancera, b Univariable and multivariable Cox regression analysis for clinical risk factors in the PC TCGA dataset with OS. a Univariable Cox regression analysis. b Multivariable Cox regression analysis. c ROC curve analyses of the risk score system and AJCC stage, comparing the discriminated ability of the risk score system and AJCC stage through the AUCBack to article page