NCAM1 and primary biliary cholangitis: Individuals with both PBC and HFe had higher levels of pSTAT4+ CD56- T-cells (PBC 2.9%, HFe 2.9%, HC 0.8%; PBC vs. HFe p > 0.05, PBC vs. HC p < 0.001, HFe vs. HC p < 0.001) and a comparable level of CD56+ T-cells compared to HC (PBC 5.7%, HFe 4.2%, HC 4.9%, p > 0.05 for all).