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Table 1 Demographic and clinical data of the study population

From: Inflammatory dysregulation of monocytes in pediatric patients with obsessive-compulsive disorder

  OCD patients (N = 102) Controls (N = 47) Statistic p value
Male gender, N (%) 52 (51.0) 14 (29.8) χ 2 = 5.86 0.016a
Age (mean ± SEM) 14.78 ± 0.26 16.29 ± 0.26 t = − 3.608 0.0004b
Age of onset (mean ± SEM) 12.95 ± 0.28
Duration of illness, months (mean ± SEM) 24.62 ± 2.44
CY-BOCS score (mean ± SEM) 25.97 ± 0.64
Comorbidities, N (%)
 Anxiety or mood disorders 46 (45.1)
 ADHD or tic disorder 22 (21.6)
Treatment, N (%)
 Medicated 82 (80.4)
 Antidepressants 59 (72)
 Antipsychotics 1 (1.2)
 Antidepressants + antipsychotics 22 (26.8)
 Non-medicated 20 (19.6)
  1. OCD obsessive compulsive disorder, ADHD attention deficit hyperactivity disorder, CY-BOCS Children’s Yale-Brown Obsessive-Compulsive Scale, SEM standard error of the mean
  2. aChi-square test
  3. bStudent’s t test