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Table 3 Differences between healthy controls and adults with ADHD on Conners' CPT-II attention test

From: Hyperactivity persists in male and female adults with ADHD and remains a highly discriminative feature of the disorder: a case-control study

Measures

Controls mean

ADHD mean

ANCOVA* Group F

Effect Size Cohens d’

ROC Area

 

[95% CI]

[95% CI]

†q value

[95% CI]

[95% CI]

Errors of Omission

1.95

1.79

0.15

0.05

0.47

 

[0.91-2.98]

[0.93-2.65]

p>0.8

[-0.41-0.39]

[0.45-0.60]

Errors of Comission

8.70

12.26

8.30

0.60

0.67

 

[7.26-10.15]

[10.11-14.42]

p<0.03

0.17-1.09

0.58-0.77

Correct Reaction Time (RT)

385.2

389.3

0.01

0.07

0.52

 

[370.5-399.9]

[369.8-408.9]

p>0.9

[-0.34-0.51]

[0.40-0.64]

RT Standard Error (RT SE)

5.31

6.35

8.13

0.55

0.63

 

[4.86-5.77]

[5.65-7.05]

p<0.03

[0.08-0.86]

0.53-0.74

Variability in RT by Blocks

6.76

8.65

7.55

0.48

0.63

 

[5.87-7.65]

[7.14-10.16]

p<0.03

[0.08-0.86]

[0.53-0.74]

Discriminability (d prime)

0.96

0.74

3.95

0.49

0.66

 

[0.84-1.07]

[0.61-0.88]

p<0.09

[0.09-0.96]

[0.58-0.75]

Response Bias (beta)

0.91

0.68

1.45

0.23

0.57

 

[0.62-1.20]

[0.45-0.92]

p<0.3

[-0.17-0.57]

[0.58-0.75]

Perseverative errors

0.19

0.71

7.07

0.46

0.61

 

[0.03-0.36]

[0.19-1.23]

p<0.03

[0.11-0.76]

[0.56-0.66]

Change in RT by Blocks

0

0

0.02

0.08

0.51

 

[-0.007-0.007]

[-0.012-0.017]

p<0.8

[0.36-0.52]

[0.46-0.56]

Change in RT SE by Blocks

0

0

0.02

0.02

0.5

 

[-0.021-0.014]

[-0.034-0.023]

p<0.9

[-0.04-0.46]

[0.45-0.56]

Change in RT by ISI

0.05

0.07

4.5

0.43

0.61

 

[0.035-0.063]

[0.056-0.086]

p<0.08

[0.05-0.90]

[0.58-0.64]

Change in RT SE by ISI

0.01

0.06

4.41

0.39

0.6

 

[-0.011-0.039]

[0.015-0.095]

p<0.08

[-0.02-0.80]

[0.55-0.66]

  1. Main effect of group. Effects of Age and Gender were not significant for any measure after correction for multiple comparisons.
  2. †q value = p value adjusted for multiple comparisons using the False Discovery Rate method of Benjamini and Hochberg.