Table 1. Demographic, clinical, and neuropsychological characteristics of BECTS patients and healthy controls.

Characteristic	Patients	Controls	t/χ2	P value
Age (years)	9.8±1.5	10.0±1.5	-0.645	0.522 a
Sex (female/male)	19/18	11/14	0.323	0.570 b
FSIQ	90.50±9.22	100.56±15.94	-2.39	0.024 a
VIQ	91.75±8.24	103.44±18.64	-2.49	0.021 a
PIQ	91.17±11.37	96.94±12.77	-1.55	0.130 a
Duration (months)	12.2±13.3	NA		–

The intelligence quotient (IQ) scores in patients and controls were based on the results of 24 and 18 participants, respectively. FSIQ = full scale IQ; VIQ = verbal IQ; PIQ = performance IQ. NA, not available.

^aTwo-sample t test.

^bχ² test.