Poor performance on the Iowa gambling task in children with obsessive-compulsive disorder

Table 1 Subject characteristics and performances on the WCST

Variable	OCD (n = 22)	Controls (n = 22)	P value ^*
	Mean ± SD	Mean ± SD
Gender			.62
Boy	12 (54.5%)	12 (54.5%)
Girl	10 (45.5%)	10 (45.5%)
Age, months	163.5 ± 22.1	161.8 ± 20.6	.27
Illness duration,	23.9 ± 21.3
months
Full IQ	95.8 ± 11.9	99.2 ± 10.1	.31
Verbal IQ	100.7 ± 12.3	98.1 ± 9.6	.45
Performance IQ	91.5 ± 13.5	100.6 ± 11.0	.02*
CY-BOCS total	22.4 ± 6.2
CY-BOCS obsessions	11.2 ± 3.1
CY-BOCS compulsions	11.2 ± 3.3
CY-BOCS most severe	26.5 ± 6.1
NIMH-OCS	9.3 ± 1.9	1.1 ± 0.4	<.01**
Handedness
Right-handed	21 (95.5%)	21 (95.5%)
Left-handed	1 (0.5%)	1 (0.5%)
WSCT
CA	4.1 ± 2.2	4.0 ± 1.9	.54
TE	16.7 ± 9.7	16.6 ± 9.9	.77
PE	3.8 ± 4.2	4.1 ± 5.7	.73

The demographic and clinical characteristics of the study subjects and performances on the WCST are shown.
WCST, Wisconsin Card Sorting Test; OCD, obsessive-compulsive disorder; SD, standard deviation; IQ, intelligence quotient; CY-BOCS, Children's Yale-Brown Obsessive Compulsive Scale; CY-BOCS most severe, CY-BOCS score during the period with the most severe symptoms; NIMH-OCS, National Institute of Mental Health Obsessive–Compulsive Scale; CA, categories achieved; TE, total errors; PE, perseverative errors.
* P < 0.05.
**P < 0.01.

ISSN: 1744-859X