Table 3

WMTB-C Mean Standard and Component Baseline-to-Endpoint Scores

WMTB-C Score, Mean (SE)

Group

Baseline

Endpoint

Change


Phonological loop

Component score

ADHD

92.4 (12.8)

95.5 (16.2)

1.5 (3.2)

ADHD+D

90.8 (13.5)

96.7 (14.4)

4.8 (3.0)

Standard score

ADHD

376.0 (39.3)

386.4 (49.8)

5.2 (9.7)

ADHD+D

365.5 (55.6)

385.5 (54.2)

20.2 (8.9)a

Central executive

Component score

ADHD

87.8 (15.7)

97.5 (23.4)

8.4 (3.8)a

ADHD+D

88.3 (13.3)

94.2 (14.5)

4.9 (3.3)

Standard Score

ADHD

268.1 (40.1)

292.8 (51.4)

24.3 (9.8)a

ADHD+D

262.4 (45.7)

270.8 (44.8)

5.9 (9.1)

Visuo-spatial sketchpad

Component score

ADHD

83.9 (16.9)

85.6 (13.1)

0.6 (4.3)

ADHD+D

87.9 (17.5)

93.2 (20.1)

6.9 (4.1)

Standard score

ADHD

170.3 (33.9)

178.7 (35.1)

6.2 (9.1)

ADHD+D

162.8 (47.0)

173.8 (50.7)

16.0 (8.5)


Last Observation Carried Forward LS Means Analyses

a p-value ≤ .05 for within-group changes.

Abbreviations: ADHD = attention-deficit/hyperactivity disorder group; ADHD+D = ADHD and dyslexia group; SE = standard error; WMTB-C = Working Memory Test Battery for Children.

Sumner et al. Child and Adolescent Psychiatry and Mental Health 2009 3:40   doi:10.1186/1753-2000-3-40

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