Table 1.

Basic information about participants of dataset 1 and dataset 2.

	Dataset 1: PKD [n = 98]		Dataset 1: HC [n = 96]		Dataset 2: PKD [n = 31]
Gender	Male	Female	Male	Female	Male	Female	χ2	p
	77	21	74	22	26	2	2.629	0.269
Handedness	Right	Left	Right	Left	Right	Left
	91	7	94	2	31	0	4.731	0.094
	Mean	SD	Mean	SD	Mean	SD	F	p
Age (years)	24.15	7.17	24.15	7.29	25.03	7.90	0.194	0.824
Education (years)	14.57	3.22	15.16	2.18	14.00	3.12	2.069	0.129