NOD2 and colorectal carcinoma: Multivariate linear regression analyses and stepwise regression analysis were utilized to establish a prognostic gene model according to 13 PRGs (AIM2, CASP1, CASP5, CASP6, CASP8, CASP9, ELANE, GPX4, GSDMD, NLRP7, NOD2, PJVK, and PRKACA), which might predict the overall survival of CRC patients.