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Table 2 Distribution of comorbid diagnoses among ADHD (4) and ADHD (-) cases according to waves

From: Prevalence and diagnostic stability of ADHD and ODD in Turkish children: a 4-year longitudinal study

 

1stwave

2ndwave

3rdwave

4thwave

ADHD (+)

ADHD (−)

ADHD (+)

ADHD (−)

ADHD (+)

ADHD (−)

ADHD (+)

ADHD (−)

 

N = 89

N = 82

N = 75

N = 91

N = 72

N = 96

N = 61

N = 101

 

n-%

n-%

n-%

n-%

n-%

n-%

n-%

n-%

ODD

55–61.8% *

6–7.3% *

34–45.9% ****

5–5.4% ****

29–40.3% *

7–7.3% *

24–39.3%

8–7,9% *

CD

16–18.0% *

1–1.2% *

13–17.6% ****

3–3.3% ****

9–12.5% *

-- *

15–24,6%

1–1% *

Anxiety Disorders

29–32.6%

18–22%

9–12.2%

6–6.5%

4–5.6%

6–6.3%

3–4.9%

9–8.9%

Mood Disorders

11–12.4%

5–6.1%

2–2.7%

1–1.1%

7-9.7% ***

2.2.1% ***

7–11.5%

1–1% *

Tic Disorders

6–6.7%

4–4.9%

2–2.7%

--

1–1.4%

--

5–8.2%

--

Enuresis

17–19.1%

11–13.4%

6–8.1%

5–5.4%

3-4.2%

3–3.1%

2–3.3%

1-1%

Encopresis

8–9.0% **

1–1.2% **

1–1.4%

1–1.1%

--

1–1%

--

--

  1. * The comorbidity rates presented are based in the independent sub-samples assessed for ADHD. So, ODD comorbid rates does not match the number of ODD cases assessed in the ODD sub-sample.
  2. ODD Opposition defiant disorder, CD Conduct Disorder, ADHD Attention Deficit Hyperactivity Disorder.
  3. N = Number of patients with or without ADHD diagnosis, n = number of patients with comorbid diagnosis, % = Percentage of patients with comorbid diagnosis.
  4. Bold values mark statistically significant difference.
  5. *p < 0.001, **p = 0.023, ***p = 0.034.