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Table 1 Number of patients divided by age group, age, gender and intellectual disability (ID) level

From: Distribution and age of onset of psychopathological risk in a cohort of children with Down syndrome in developmental age

 0–2 years2–3 years4–5 years6–10 years11–14 years15–18 years
Number16212220126
Age (Mean ± SD)1.5 ± 0.42.6 ± 0.54.5 ± 0.58 ± 1.312.8 ± 0.916.5 ± 0.9
Sex (M/F)11/611/1014/812/84/82/4
ID level70 ± 1362 ± 7.951 ± 1564 ± 1150 ± 1452 ± 16
  1. To assess ID level, developmental quotient was used in the case of children aged less than 8 and/or with moderate intellectual disability; Intelligent quotient was used in the case of children aged > 8 and/or with mild or absent intellectual disability