For the AIH subgroup, ROI mean cT1, and whole liver mean and median cT1 positively correlated with total bilirubin, APRI, and FIB4 scores (r = 0.39–0.64, p values 0.0001–0.04) and with AST and MMP7 (r = 0.39–0.81, p values 0.001–0.03). This evidence concerns the gene MMP7 and autoimmune hepatitis.