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The PC1 segregates the AILD cohort into 2 clusters. The PC1 is strongly associated with hierarchical clusters A and B (p < 0.0001). The qFibrosis variables that comprised PC1 are the dominant variables directing subject clustering into hierarchical clusters A and B (Figure 1), indicating that overall and portal tract fibrosis may be most relevant in segregating phenotypes. Abbreviations: AILD, autoimmune liver disease; PC1, principal component 1.
