Skip to main content

Table 2 Selected Comorbidities/Conditions

From: Patient characteristics, comorbidities, and medication use for children with ADHD with and without a co-occurring reading disorder: A retrospective cohort study

Comorbidity

ADHD

ADHD + RD

P Value

 

N

%

N

%

 

Anxiety Disorders

1227

1.3

4

1.5

0.580

Bipolar/Mania

6244

6.4

25

9.4

0.043

Conduct Disturbance

10984

11.2

41

15.5

0.030

Depression

9653

9.9

38

14.3

0.015

Learning Disorders

3251

3.3

34

12.8

< 0.001

Eating Disorders

134

0.1

1

0.4

0.306

Personality Disorders

120

0.1

0

0.0

1.000

Psychotic Disorders

869

0.9

5

1.9

0.085

Seizure Disorders

1097

1.1

5

1.9

0.239

Sleep Disorders

1866

1.9

1

0.4

0.069

Tics/Tourette's

689

0.7

0

0.0

0.272

  1. All comorbidities examined from index date through end of post-period.
  2. Based upon univariate analyses with chi-square tests for variables with counts of at least 5 and Fischer's exact test if any cell had less than 5 observations.