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Table 2 The number of disadvantageous cards drawn in the Iowa Gambling Task

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  
No. of disadvantageous card selections (1–100) 52.3 ± 9.8 48.6 ± 7.9 .21
No. of disadvantageous card selections (1–20) 10.5 ± 3.0 10.4 ± 1.1 .50
No. of disadvantageous card selections (21–40) 9.0 ± 2.7 10.1 ± 2.1 .17
No. of disadvantageous card selections (41–60) 10.1 ± 3.4 9.7 ± 2.7 .68
No. of disadvantageous card selections (61–80) 11.0 ± 3.8 9.6 ± 2.7 .24
No. of disadvantageous card selections (81–100) 11.8 ± 3.9 8.8 ± 3.2 .03*
  1. The mean number of disadvantageous cards drawn by OCD patients and controls in each block of 20 cards are shown.
  2. OCD, obsessive-compulsive disorder; SD, standard deviation; No., Number.
  3. * P < 0.05.