Table 1. Demographic and clinical features of the WD patients.

Patients (n)	60
Age at onset (years)	20.12 ± 7.95
Age at diagnosis (years)	20.43 ± 7.99
Gender (M/F)	34/26
Serum CER (g/l)	0.09 ± 0.01
24-h UC excretion (µg/24 h)	450.63 ± 148.98
K–F rings (n)	60
Neurologic (n)	60
Brain MRI abnormalities of WD (n)	60