Table 2: Number of patients and fraction of all patients having each 3-digit ICD-10 code during baseline observation period before index date (30 most frequent).

ICD-10 Code

Comorbidity

Number of Patients

Fraction

I10

Essential (primary) hypertension

337

75%

C79

Secondary malignant neoplasm of other and unspecified sites

305

68%

E78

Disorders of lipoprotein metabolism and other lipidaemias

227

51%

M54

Dorsalgia

201

45%

Z51

Other medical care

155

35%

H52

Disorders of refraction and accommodation

152

34%

Z25

Need for immunization against other single viral diseases

139

31%

N39

Other disorders of urinary system

131

29%

Z92

Personal history of medical treatment

129

29%

E11

Non-insulin-dependent diabetes mellitus

129

29%

C77

Secondary and unspecified malignant neoplasm of lymph nodes

126

28%

I25

Chronic ischemic heart disease

124

28%

N40

Hyperplasia of prostate

124

28%

Z12

Special screening examination for neoplasms

117

26%

R52

Pain, not elsewhere classified

101

22%

Z96

Presence of other functional implants

94

21%

F32

Depressive episode

90

20%

E79

Disorders of purine and pyrimidine metabolism

89

20%

M47

Spondylosis

85

19%

N13

Obstructive and reflux uropathy

81

18%

Z00

General examination and investigation of persons without complaint and reported diagnosis

78

17%

F45

Somatoform disorders

78

17%

E66

Obesity

77

17%

Z95

Presence of cardiac and vascular implants and grafts

77

17%

N18

Chronic kidney disease

76

17%

H35

Other retinal disorders

74

16%

H25

Senile cataract

72

16%

I50

Heart failure

72

16%

R32

Unspecified urinary incontinence

70

16%

M17

Gonarthrosis [arthrosis of knee]

69

15%