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Table 1 Participant characteristics

From: Prefrontal dysfunction in pediatric Tourette’s disorder as measured by near-infrared spectroscopy

  TD Control p-value
  mean (SD) mean (SD)  
Number [sex ratio: M:F] 10 [10:0] 10 [10:0] 1.00
Age (years) 9.20 (2.25) 9.50 (2.12) 0.76
Age of onset (years) 7.40 (1.84)   
Duration of illness (months) 20.50 (8.24)   
FIQ (WISC-III) 99.80 (15.32) 97.30 (9.90) 0.67
YGTSS 18.00 (6.75)   
SCWC-1 26.80 (11.14) 42.70 (9.78) 0.003
SCWC-2 26.10 (10.21) 40.20 (8.77) 0.004
SCWC-3 27.20 (12.74) 37.70 (8.11) 0.027
  1. TD, Tourette’s disorder; M, male; F, female; FIQ (WISC-III), Full scale IQ score on the Wechsler Intelligence Scale for Children-Third Edition; YGTSS, Yale Global Tic Severity Scale; SCWC-1, ‘Stroop color-word task number of correct answers first time’; SCWC-2, ‘Stroop color-word task number of correct answers second time’; SCWC-3, ‘Stroop color-word task number of correct answers third time’.