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Table 2 Proportion registered with primary care diagnoses within the period 2 years prior to the first registered CFS/ME or type 1 diabetes mellitus (T1DM) diagnosis in specialist health care

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)

 

# with condition

Proportion

% (99 % CI)

# with condition

Proportion

% (99 % CI)

Diagnoses related to CFS/ME

 Weakness / general tiredness (A04)

1226

73.4 (70.6–76.2)

164

3.5 (2.8–4.3)

 Neurasthenia (P78)

58

3.5 (2.3–4.6)

1

0.0 (0.0–0.1)

 Sleep disturbance (P06)

94

5.6 (4.2–7.1)

42

0.9 (0.5–1.2)

 Muscle pain (L18)

59

3.5 (2.4–4.7)

37

0.8 (0.4–1.2)

Common mental disorders

 Depressive disorder (P76)

94

5.6 (4.2–7.1)

19

0.4 (0.1–0.6)

 Anxiety disorder/anxiety state (P74)

19

1.1 (0.5–1.8)

15

0.3 (0.1–0.5)

Diagnoses related to infections

 Influenza (R80)

173

10.4 (8.4–12.3)

154

3.1 (2.4–3.8)

 Infectious mononucleosis (A75)

185

11.1 (9.1–13.1)

25

0.5 (0.2–0.8)

 Tonsillitis acute (R76)

85

5.1 (3.7–6.5)

161

3.4 (2.6–4.1)

 Strep throat (R72)

74

4.4 (3.1–5.7)

123

2.5 (1.8–3.1)

 Pneumonia (R81)

83

5.0 (3.6–6.3)

107

2.2 (1.6–2.8)

Other diagnoses

 Diabetes (T89/T90)

0

0.0 (0.0–0.0)

1 362

28.2 (26.4–29.9)

 Asthma (R96)

134

8.0 (6.3–9.7)

253

5.0 (4.1–5.8)

 Migraine (N89)

102

6.1 (4.6–7.6)

30

0.6 (0.3–0.8)

 Hyperkinetic disorder (P81)

35

2.1 (1.2–3.0)

73

1.2 (0.8–1.6)

 Congenital anomaly musculoskeletal (L82)

19

1.1 (0.5–1.8)

32

0.7 (0.3–1.0)

 Child behaviour symptom/complaint (P22)

32

1.9 (1.1–2.8)

52

1.0 (0.6–1.4)

 Psychological disorders, other (P99)

22

1.3 (0.6–2.0)

17

0.3 (0.1–0.5)

 Endocrine/metabolic/nutritional disorder, other (T99)

18

1.1 (0.4–1.7)

54

1.3 (0.8–1.7)

  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