Table 1.

Characteristics of the participants.

	WD (N = 27)	HC (N = 27)
Gender (male/female)	15/12	15/12
Age (years)	18–28 (22.42 ± 3.66)	19–31 (23.51 ± 2.67)
Education (years)	8–14 (10.21 ± 1.23)	9–15 (12.32 ± 2.55)
Handedness	27 right-handed	27 right-handed
WD duration (years)	4–10 (6.76 ± 1.38)
WD types	Neurologic
The KF ring	27 WD with the KF ring
24-h urinary Cu (μmol/day)	1–6 (2.52 ± 1.44)
CP (mg/dl)	3.52–13.24 (6.28 ± 2.40)

WD, Wilson’s disease; HC, healthy controls; N, number, KF, Kayser–Fleischer, Cu, copper, CP, ceruloplasmin.