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Table 4 Descriptive statistics of CANTAB key variables

From: Computer-based multiple component cognitive training in children with ADHD: a pilot study

Measure of CANTAB

Groups

Preintervention

Postintervention

p-value

Mean (SD)

Mean (SD)

SWM

 Between errors

AET

20.8 (8.09)

14.2 (7.80)

 < 0.01

GET

21.0 (7.28)

15.4 (7.96)

 < 0.01

 Strategy

AET

8.4 (2.00)

7.7 (2.41)

0.09

GET

8.5 (2.01)

7.9 (2.37)

0.16

SST

 Reaction time

AET

369.8 (104.67)

291.5 (71.71)

 < 0.01

GET

395.2 (82.15)

313.2 (88.87)

 < 0.01

RVP

 A’

AET

0.7 (0.08)

0.8 (0.06)

 < 0.01

GET

0.7 (0.09)

0.8 (0.05)

 < 0.01

 Response latency

AET

592.6 (231.06)

608.2 (167.52)

0.74

GET

593.0 (200.89)

548.8 (148.29)

0.42

RTI

 Five-choice reaction time

AET

508.8 (101.25)

462.25 (64.69)

 < 0.01

GET

483.9 (77.71)

459.7 (73.94)

 < 0.01

 Simple reaction time

AET

467.5 (100.73)

419.7 (61.48)

 < 0.01

GET

442.3 (128.14)

405.9 (57.61)

 < 0.01

PAL

 Total errors

AET

16.4 (13.97)

7.0 (7.57)

 < 0.01

GET

16.5 (12.81)

6.6 (6.05)

 < 0.01

MTT

 Incongruence cost

AET

36.37 (55.09)

38.46 (38.72)

0.99

GET

37.5 (62.07)

55.4 (63.99)

0.17

 Multitasking cost

AET

97.8 (238.55)

150.6 (94.87)

0.39

GET

80.3 (235.05)

147.0 (117.38)

0.55

  1. SD standard deviation, AET  ADHD executive training, GET general executive training, SWM spatial working memory task, SST stop signal task, RVP rapid visual information processing task, RTI reaction time task, PAL paired associated learning task, MTT multitasking test task
  2. p values are from a t-test (within-subjects, 2-tailed) comparing the pretest to the posttest