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Table 3 Prevalence of Neurological Symptoms/Diagnoses and Psychiatric Disorders Among Patients with ADHD

From: Prevalence of ADHD in nonpsychotic adult psychiatric care (ADPSYC): A multinational cross-sectional study in Europe

 

ADHD Diagnosis Established by the DIVA

 

Prevalence of ADHD Among Patients with Other Disorders

Prevalence of Other Disorders Among Patients with ADHD

Prevalence of Other Disorders Among Non-ADHD Patients

(N = 349),

(N = 349),

(N = 1660),

n (%)

n (%)

n (%)

Psychiatric disordersa

   

 Depression (n = 1215)

150 (12.3)

150 (43.0)

894 (53.9)

 Dysthymia (n = 253)

34 (13.4)

34 (9.7)

198 (11.9)

 Bipolar disorder (n = 268)

29 (10.8)

29 (8.3)

192 (11.6)

 Obsessive-compulsive disorder (n = 126)

17 (13.5)

17 (4.9)

92 (5.5)

 Anxiety disorders (n = 803)

127 (15.8)

127 (36.4)

575 (34.6)

 Eating disorders (n = 113)

24 (21.2)

24 (6.9)

76 (4.6)

 Substance abuse (n = 104)

32 (30.8)

32 (9.2)

56 (3.4)

 Substance dependence (n = 86)

21 (24.4)

21 (6.0)

50 (3.0)

 Alcohol dependence (n = 109)

14 (12.8)

14 (4.0)

81 (4.9)

 Alcohol abuse (n = 133)

36 (27.1)

36 (10.3)

87 (5.2)

 Non-substance dependence (n = 30)

4 (13.3)

4 (1.1)

20 (1.2)

 Antisocial personality disorders (n = 24)

4 (16.7)

4 (1.1)

14 (0.8)

 Borderline personality disorders (n = 172)

32 (18.6)

32 (9.2)

111 (6.7)

 Autistic spectrum disorder (n = 36)

9 (25.0)

9 (2.6)

22 (1.3)

 Other (n = 273)

56 (20.5)

56 (16.0)

184 (11.1)

 No other psychiatric diagnosis (n = 115)

40 (34.8)

40 (11.5)

56 (3.4)

Neurological symptoms/diagnoses

   

 Any present

 

18 (5.2)

60 (3.6)

 Tic disorder

 

7 (2.0)

29 (1.7)

 Tourette’s syndrome

 

3 (0.9)

15 (0.9)

 Coordination deficiencies

 

9 (2.6)

25 (1.5)

 Deficiencies in fine motor skills

 

8 (2.3)

41 (2.5)

  1. Abbreviations: ADHD = attention-deficit/hyperactivity disorder; CI = confidence interval; DIVA = Diagnostic Interview for ADHD in Adults; N = number of patients; n = number of affected patients
  2. aThe n’s for overall comorbidity rates in column 1 are based on all eligible patients (including those with a positive screen but no DIVA assessment) and do not add up to n’s in columns 3 and 4