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 |