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Table 1 Top 15 ICD diagnosis

From: Characteristics of patients contacting a center for undiagnosed and rare diseases

   

Total (n = 413)

Men (n = 171)

Women (n = 242)

 

Rank

ICD

ICD Caption

(n)

(%)

(n)

(%)

(n)

(%)

χ 2 p-value

1

M79

Other soft tissue disorders, not elsewhere classified (incl. fibromyalgia, myalgia, neuralgia, rheumatism)

63

15.3 %

16

9.4 %

47

19.4 %

0.0051

2

F45

Somatoform disorders

51

12.3 %

18

10.5 %

33

13.6 %

0.3440

3

G62

Other polyneuropathies (incl. alcoholic, drug induced, toxic, unspecified polyneuropathies)

36

8.7 %

17

9.9 %

19

7.9 %

0.4582

4

M54

Dorsalgia

30

7.3 %

9

5.3 %

21

8.7 %

0.1879

5

I10

Essential (primary) hypertension

29

7.0 %

15

8.8 %

14

5.8 %

0.2420

6

F32

Depressive episode

28

6.8 %

11

6.4 %

17

7.0 %

0.8136

 

M35

Other systemic involvement of connective tissue (incl. sicca syndrome, overlap syndrome, polymyalgia rheumatica)

28

6.8 %

5

2.9 %

23

9.5 %

0.0088

 

A69

Other spirochetal infections (incl. Lyme’s disease)

28

6.8 %

16

9.4 %

12

5.0 %

0.0799

7

K58

Irritable bowel syndrome

25

6.1 %

12

7.0 %

13

5.4 %

0.4897

8

T78

Adverse effects, not elsewhere classified (incl. food allergies)

24

5.8 %

8

4.7 %

16

6.6 %

0.4082

9

G93

Other disorders of brain (incl. postviral fatigue syndrome)

21

5.1 %

10

5.8 %

11

4.5 %

0.5529

10

K29

Gastritis and duodenitis

20

4.8 %

5

2.9 %

15

6.2 %

0.1268

11

M19

Other arthrosis

19

4.6 %

6

3.5 %

13

5.4 %

0.3733

12

M47

Spondylosis

18

4.4 %

4

2.3 %

14

5.8 %

0.0911

13

G47

Sleep disorders (incl. sleep apnea)

17

4.1 %

13

7.6 %

4

1.7 %

0.0027

14

E03

Other hypothyroidism

16

3.9 %

7

4.1 %

9

3.7 %

0.8460

 

G25

Other extrapyramidal and movement disorders (incl. restless legs syndrome)

16

3.9 %

10

5.8 %

6

2.5 %

0.0806

 

M51

Other intervertebral disc disorders

16

3.9 %

6

3.5 %

10

4.1 %

0.7464

15

E55

Vitamin D deficiency

14

3.4 %

7

4.1 %

7

2.9 %

0.5065

  1. The 15 most frequent ICD diagnosis previously received by our patients grouped by gender and ICD three-letter code. In cases where multiple other diagnoses are grouped together, the specific diagnostic terms are included