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Table 7 Median and interquartile ranges of behavioural characteristics, Kruskal-Wallis tests and post hoc Mann-Whitney U test analyses for participant groups: PTHS, AS and CdLS

From: Behavioural and psychological characteristics in Pitt-Hopkins syndrome: a comparison with Angelman and Cornelia de Lange syndromes

  PTHS AS CdLS Kruskal-Wallis tests Post hoc comparison: Mann-Whitney U test
h df p value Comparison U df Z p value Effect size r
CBQ—Severity N 17 10 19        
Median 8 7 7 1.84 2 .4 N/A
IQR 3 3.75 3
MIPQ—Mood N 24 24 24        
Median 19 22 18 24.89 2 < .001 PTHS < AS 105 1 3.819 < .001 .55 (large)
IQR 3.75 1 4.75
MIPQ—Interest and Pleasure N 24 24 24        
Median 17 17.5 15 2.07 2 .356 N/A
IQR 4.75 5.5 4.75
MIPQ—Total N 24 24 24        
Median 36 39.5 34 9.87 2 .007 PTHS < AS 185.5 1 2.121 .034 .31 (medium)
IQR 3.75 7 8.75
RBQ—Total N 22 23 22        
Median 12 12 16.5 4.34 2 .114 N/A
IQR 6.5 10 24
RBQ—Stereotyped Behaviour N 24 23 24        
Median 10.5 8 9.5 2.85 2 .241 N/A
IQR 4.5 8 6
RBQ—Compulsive Behaviour N 24 23 24        
Median 0 0 0 4.23 2 .121 N/A
IQR 0 1 9.75
RBQ—Insistence on Sameness N 24 24 23        
Median 0 0 0 1.39 2 .499 N/A
IQR 3 1 6
TAQ—Impulsivity N 24 24 23        
Median 15.5 18 15 .552 2 .759 N/A
IQR 9.75 13.5 11
TAQ—Overactivity N 24 24 23        
Median 18 19.5 19 .618 2 .734 N/A
IQR 8.75 14 13
TAQ—Total N 24 24 23        
Median 33.75 35 32.5 .347 2 .841 N/A
IQR 15.25 22.9 25.8