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Table 1 Subject characteristics and performances on the WCST

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

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
  1. The demographic and clinical characteristics of the study subjects and performances on the WCST are shown.
  2. 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.
  3. * P < 0.05.
  4. **P < 0.01.