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Table 4 Correlation of KiTAP measures showing acceptable feasibility, reproducibility, range and distribution with behavioral assessments on ABC-C and BASC-2 in the FXS cohort.

From: Feasibility, reliability, and clinical validity of the Test of Attentional Performance for Children (KiTAP) in Fragile X syndrome (FXS)

  Alertness RT Distractibility
errors, median
Go/Nogo
errors RT
Flexibility
errors RT
Vigilance RT
  Median SD Median Median SD Median SD Median
ABC-C         
   Irritability 0.28 0.01 0.46* -0.03 0.11 -0.30 0.41* 0.38
   Lethargy 0.16 0.43* 0.06 0.06 -0.19 -0.10 0.21 0.04
   Stereotypy 0.21 0.28 0.35 -0.03 0.01 -0.26 0.34* 0.60**
   Hyperactivity 0.49** 0.38* 0.41* 0.33* 0.08 -0.14 0.26 0.30
   Inappropriate Speech 0.35* 0.26 0.51** -0.07 0.11 -0.23 0.29 0.64**
BASC-2-2         
   Hyperactivity 0.16 0.34* 0.26 0.36* 0.07 0.20 -0.34* 0.05
   Attention Problems 0.27 0.25 0.41* 0.08 -0.17 0.47** -0.04 0.24
   Adaptability -0.41* -0.42* -0.40* -0.06 -0.24 -0.34* -0.22 -0.38
Subjects for correlations
(ABC-C/BASC-2), n
27/25 27/25 23/22 26/24 26/24 27/25 27/25 18/17
  1. aAbbreviations: ABC-C, Aberrant Behavior Checklist-Community Edition; BASC-2, Behavior Assessment System for Children, Second Edition; FXS, Fragile X syndrome; KiTAP, Test of Attentional Performance for Children; RT, reaction time; SD, standard deviation
  2. *P < 0.05, **P < 0.01.