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Table 2 QbTest mean (SD) scores for the three groups

From: ASD with ADHD vs. ASD and ADHD alone: a study of the QbTest performance and single-dose methylphenidate responding in children and adolescents

QbTest parameter

ASD

ASD/ADHD

ADHD

Comparisona

Reaction time

532.91 (121.36)

546.57 (119.83)

575.33 (132.30)

ADHD > (ASD = ASD/ADHD)

Reaction time variation

171.33 (75.61)

193.38 (66.31)

222.69 (85.03)

ADHD > (ASD = ASD/ADHD)

Omission errors

10.30 (13.73)

17.88 (18.99)

21.55 (18.79)

(ASD/ADHD = ADHD) > ASD

Commission errors

5.54 (9.62)

9.09 (10.55)

11.09 (13.17)

ASD = ASD/ADHD = ADHD

Error rate

6.87 (10.89)

11.72 (10.34)

15.36 (14.17)

ASD = ASD/ADHD; ASD/ADHD = ADHD; ADHD > ASD

Time active

13.20 (14.77)

25.90 (22.11)

32.12 (24.20)

(ASD/ADHD = ADHD) > ASD

Distance

6.15 (4.78)

11.42 (9.93)

13.82 (11.37)

(ASD/ADHD = ADHD) > ASD

Area

22.64 (23.65)

47.35 (44.40)

56.92 (44.77)

(ASD/ADHD = ADHD) > ASD

Micro-events

3720.18 (2918.25)

6672.15 (4985.55)

7942.93 (5369.68)

(ASD/ADHD = ADHD) > ASD

QbInattention

0.45 (1.37)

1.00 (1.25)

1.51 (1.27)

ADHD > ASD/ADHD > ASD

QbImpulsivity

-0.26 (1.17)

0.52 (1.25)

0.45 (1.29)

(ASD/ADHD = ADHD) > ASD

QbActivity

-0.47 (1.24)

.52 (1.28)

0.75 (1.25)

(ASD/ADHD = ADHD) > ASD

  1. aANOVA, corrected for age, pairwise comparisons of the groups, p < 0.05; ASD autism spectrum disorder, ADHD attention deficit hyperactivity disorder, ASD/ADHD ASD and co-occurring ADHD