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Table 4 Comorbidities by age groups

From: Costs and treatment patterns of incident ADHD patients - a comparative analysis before and after the initial diagnosis -

Comorbidity

0–5 years

6–17 years

18 years and older

Sum

ADHD

Control group

Odds Ratio

ADHD

Control group

Odds Ratio

ADHD

Control group

Odds Ratio

ADHD

Control group

Odds Ratio

N = 619

N = 1857

 

N = 7226

N = 21678

 

N = 1238

N = 3714

 

N = 9083

N = 27249

 

N (%)

N (%)

(95 % KI)

N (%)

N (%)

(95 % KI)

N (%)

N (%)

(95 % KI)

N (%)

N (%)

(95 % KI)

Depressive episodes/recurrent depressive disorders (F32*; F33*)

6 (1.0 %)

0 (0.0 %)

-

193 (2.7 %)

63 (0.3 %)

9.4 (7.1–12.5)

552 (44.6 %)

172 (4.6 %)

16.6 (13.7–20.0)

751 (8.3 %)

235 (0.9 %)

10.4 (8.9–12.0)

Mental and behavioral disorders due to psychoactive substance use (F10*-F19*)

0 (0.0 %)

0 (0.0 %)

-

40 (0.6 %)

29 (0.1 %)

4.2 (2.6–6.7)

151 (12.2 %)

84 (2.3 %)

6.0 (4.6–7.9)

191 (2.1 %)

109 (0.4 %)

5.3 (4.2–6.8)

Specific scholastic skill development disorders (F81*)

8 (1.3 %)

0 (0.0 %)

-

1454 (20.1 %)

268 (1.2 %)

20.1 (17.6–23.0)

41 (3.3 %)

5 (0.1 %)

25.4 (10.0–64.4)

1503 (16.5 %)

273 (1.0 %)

19.6 (17.2–22.3)

Phobic and other anxiety disorders (F40*; F41*)

11 (1.8 %)

11 (0.6 %)

3.0 (1.3–7.0)

261 (3.6 %)

181 (0.8 %)

4.5 (3.7–5.4)

249 (20.1 %)

76 (2.0 %)

12.1 (9.2–15.7)

521 (5.7 %)

268 (1.0 %)

6.1 (5.3–7.1)

Injuries, poisoning and certain other consequences from external causes (S00*-T98*)

263 (42.8 %)

512 (27.6 %)

1.9 (1.6–2.3)

2731 (37.8 %)

5481 (25.3 %)

1.8 (1.7–1.9)

422 (34.1 %)

681 (18.3 %)

2.3 (2.0–2.7)

3416 (37.6 %)

6674 (24.5 %)

1.9 (1.8–2.0)