HLA-G and primary biliary cholangitis: The levels of sHLA-G were significantly lower in PBC patients than in controls [mean (95% CI): 9.10 (8.15 – 10.05) U/mL vs 24.03 (19.08 – 28.98) U/mL respectively; P < 0.0001; median (IQR): 7.98 (3.73 to 11.24) U/mL vs 20.73 (12.64 to 25.80) U/mL respectively] (Figure 2A).