CP and Wilson disease: Patients with newly diagnosed untreated WD were younger (32 vs. 37 years, p = 0.044), more frequently had abnormal liver enzymes, gamma-glutamyl transferase (GGT) and higher ceruloplasmin (13.4 vs. 7.4, p = 0.004) and serum copper levels (63.7 vs. 32.7, p = 0.004).