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Table 2 Characteristics of the clinical sample

From: Linear and non-linear analyses of Conner’s Continuous Performance Test-II discriminate adult patients with attention deficit hyperactivity disorder from patients with mood and anxiety disorders

 

ADHD (n = 50)a

Clinical controls (n = 49)a

P

d

Age (mean ± SD)

37.7 ± 10.3

37.8 ± 11.8

NS

 

Gender (m/f)

28/22

23/26

NS

 

WURS (mean ± SD)

52.0 ± 18.8

28.9 ± 15.3

<0.001

1.34

ASRS (mean ± SD)

50.0 ± 12.2

31.6 ± 12.7

<0.001

1.48

HADS

 Depression (mean ± SD)

4.7 ± 3.7

5 .2 ± 3.9

NS

−0.13

 Anxiety (mean ± SD)

9.9 ± 4.5

9.1 ± 4.8

NS

0.17

MADRS (mean ± SD)

13.4 ± 7.2

13.9 ± 8.1

NS

0.07

MDQ + (%) b

47

30

NS

 

CT + (%)c

59

52

NS

 

Bipolar disorder (%)

30

42

NS

 

Unipolar depression (%)

32

29

NS

 

Anxiety disorder (%)

38

60

0.026

 

Alcohol or drug abuse (%)

26

13

NS

 

Other diagnoses (%)

28

29

NS

 
  1. Student’s t-test or Chi square test were used to compare the two groups
  2. a The number of patients in each group varies somewhat for the different questionnaires and tests (WURS 48/45, ASRS 49/45, HADS 47/45, MADRS 49/47, CT 49/46)
  3. b Positive score on the Mood Disorder Questionnaire (MDQ)
  4. c Positive score on the scale for Cyclothymic temperament (CT)