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Table 2 Comparison of the ADHD, BPD and ADHD+BPD groups in terms of number of co-morbid DSM -IV diagnoses, clinical severities of co-morbid disorders and borderline personality disorder measured by interviews

From: Borderline personality disorder and attention deficit/hyperactivity disorder in adolescence: overlap and differences in a clinical setting

DSM IV Symptoms (based on DISC-IV)

ADHD (1)

BPD (2)

ADHD+BPD (3)

X2

p

Post hoc (adjusted p = 0.017)

Total number of diagnoses

2.3 ± 2.2

2.7 ± 2.0

3.8 ± 2.4

15.6

< 0.001

3 > 1, 3 > 2

Anxiety disorders

17.0 ± 11.2

19.8 ± 10.4

20.7 ± 9.8

6.6

0.038

3 > 1

Depression

13.6 ± 4.4

15.2 ± 3.9

16.6 ± 3.4

18.7

< 0.001

3 > 2 > 1

ADHD

13.1 ± 3.6

7.9 ± 5.4

14.5 ± 3.6

71.2

< 0.001

3 > 2, 1 > 2

Oppositional Defiant Disorder

5.8 ± 3.0

6.2 ± 3.1

8.5 ± 2.7

31.4

< 0.001

3 > 1, 3 > 2

Conduct Disorder

4.5 ± 4.1

5.2 ± 4.4

6.4 ± 5.2

4.8

0.09

 

Post Traumatic Stres Disorder

1.8 ± 4.0

3.3 ± 5.2

4.4 ± 6.0

7.6

0.023

3 > 1

Obsessive Compulsive Disorder

1.3 ± 1.8

1.3 ± 1.6

1.3 ± 1.4

1.1

0.57

 

Eating Disorders

2.1 ± 1.9

3.7 ± 2.4

4.1 ± 2.4

25.5

< 0.001

3 > 1,2 > 1

Substance Abuse Disorder

0.7 ± 2.1

1.1 ± 3.5

0.7 ± 2.5

0.2

0.91

 

Internalizing disorders

36.0 ± 16.7

43.3 ± 15.9

47.1 ± 17.2

17.4

< 0.001

3 > 1,2 > 1

Externalizing disorders

23.9 ± 8.9

19.8 ± 12.3

29.9 ± 9.5

40.9

< 0.001

3 > 1 > 2

CIBPD

6.8 ± 3.4

13.7 ± 2.0

14.4 ± 2.0

142.6

< 0.001

3 > 2, 3 > 1

  1. ADHD attention deficit/hyperactivity disorder, BPD borderline personality disorder, CIBPD childhood interview for borderline personality disorder, DISC-IV the diagnostic interview schedule for children – Computerized Version