EGFR and primary biliary cholangitis: Healthy individuals had significantly higher serum EGFR levels (median 75.3 ng/ml, range 43.2 to 114.2 ng/ml) than did the PBC patients (median 59.3 ng/ml, range 21.3 to 94.1 ng/ml; U = 3,599.0, P < 0.001)).