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Table 4 Between-group differences in sample with DS and MA controls

From: Development and validation of the Arizona Cognitive Test Battery for Down syndrome

Measure DS mean (SD) (N = 55) MA control mean (SD) (N = 36) t p Effect sizes d
Background and benchmark
 KBIT-II verbal score 26.40 (10.33) 27.39 (5.49) −0.59 0.60
 KBIT-II non-verbal score 13.66 (4.51) 13.97 (3.44) −0.36 0.72
 CANTAB Spatial Span span 2.58 (1.26) 2.88 (1.07) −1.17 0.25
Hippocampal
 CANTAB first trials correct 8.87 (5.78) 13.44 (6.54) −3.05 0.001 0.74
 Computer generated arena % time in the target quadrant 26.73 (19.83) 20.69 (21.19) 1.25 0.21
Prefrontal
 CANTAB ID/ED errors per stagea 5.02 (2.91) 3.86 (1.44) 2.60 0.009 0.51
 Modified dots task inhib. control phase percent correct 67.31 (32.46) 75.62 (21.30) −1.37 0.18 0.30
 Modified dots task combined phase percent correct 57.28 (18.43) 66.55 (22.26) −1.97 0.05 0.45
Cerebellar
 CANTAB simple RT median corr. latency (ms) 678.93 (314.46) 595.88 (142.69) 1.64 0.11 0.34
 NEPSY visuomotor precision total score 15.08 (5.34) 14.57 (4.69) 0.41 0.69
 Tabletop finger sequencing mean latency (all trials) (s) 44.97 (20.36) 33.92 (12.64) 2.62 0.01 0.65
  1. aAnalyzed with Mann-whitney U to account for the observed deviations in normality