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Table 1 Proportion registered with primary care diagnoses among children with CFS/ME or type 1 diabetes mellitus (T1DM) in specialist health care, and for children in the general population

From: Comorbidities treated in primary care in children with chronic fatigue syndrome / myalgic encephalomyelitis: A nationwide registry linkage study from Norway

 

CSF/ME

(n = 1670)

T1DM

(n = 4937)

General child population

(n = 1 337 508)

 

# with condition

Proportion % (99 % CI)

# with condition

Proportion % (99 % CI)

# with condition

Proportion % (99 % CI)

Diagnoses related to CFS/ME

 Weakness / general tiredness (A04)

1501

89.9 (88.0–91.8)

666

14.5 (13.1–16.0)

140 915

11.1 (11.0–11.2)

 Neurasthenia (P78)

156

9.3 (7.5–11.2)

2

0.0 (0.0–0.1)

1220

0.1 (0.1–0.1)

 Sleep disturbance (P06)

258

15.4 (13.2–17.7)

204

4.1 (3.3–4.9)

43 795

3.3 (3.2–3.3)

 Muscle pain (L18)

159

9.5 (7.7–11.4)

173

3.8 (3.0–4.6)

29 242

2.3 (2.3–2.4)

Common mental disorders

 Depressive disorder (P76)

230

13.8 (11.6–15.9)

231

5.4 (4.4–6.3)

32 399

2.7 (2.7–2.8)

 Anxiety disorder/anxiety state (P74)

73

4.4 (3.1–5.7)

83

1.8 (1.3–2.4)

13 347

1.1 (1.1–1.1)

Diagnoses related to infections

 Influenza (R80)

412

24.7 (22.0–27.4)

739

15.1 (13.6–16.5)

133 281

10.1 (10.0–10.1)

 Infectious mononucleosis (A75)

288

17.2 (14.9–19.6)

164

3.7 (2.9–4.5)

35 662

2.9 (2.8–2.9)

 Tonsillitis acute (R76)

313

18.7 (16.3–21.2)

577

12.3 (11.0–13.6)

162 526

12.3 (12.3–12.4)

 Strep throat (R72)

236

14.1 (11.9–16.3)

483

9.9 (8.7–11.0)

126 394

9.6 (9.5–9.6)

 Pneumonia (R81)

207

12.4 (10.8–14.5)

356

7.3 (6.2–8.3)

90 027

6.7 (6.6–6.7)

Other diagnoses

 Diabetes (T89/T90)

1

0.1 (0.0–0.2)

4238

86.0 (84.6–87.4)

1079

0.1 (0.1–0.1)

 Asthma (R96)

292

17.5 (15.1–19.9)

579

11.3 (10.1–12.6)

161 103

11.5 (11.4–11.6)

 Migraine (N89)

187

11.2 (9.2–13.2)

128

3.0 (2.3–3.7)

30 255

2.5 (2.5–2.5)

 Hyperkinetic disorder (P81)

54

3.2 (2.1–4.3)

175

3.0 (2.4–3.6)

37 387

2.4 (2.4–2.5)

 Congenital anomaly musculoskeletal (L82)

54

3.2 (2.1–4.3)

89

1.8 (1.3–2.3)

28 096

2.0 (2.0–2.1)

 Child behaviour symptom/complaint (P22)

71

4.3 (3.0–5.5)

143

2.7 (2.1–3.4)

37 241

2.5 (2.5–2.5)

 Psychological disorders, other (P99)

55

3.3 (2.2–4.4)

95

1.9 (1.3–2.4)

17 008

1.2 (1.2–1.2)

 Endocrine/metabolic/nutritional disorder, other (T99)

65

3.9 (2.7–5.1)

152

3.4 (2.7–4.2)

21 051

1.7 (1.7–1.7)

  1. Proportions were adjusted for sex and age group (3-year categories) by direct standardization, using the population with CFS/ME as the reference population