Table 1 Summary of primary causes of illness and comorbidities by age categories

Total number of primary diseases

47

65

88

89

Number of comorbidities observed with probabilities greater than 10%

Average

2

2

4

6

Minimum

1

1

1

1

Maximum

6

7

8

12

5 primary diagnoses with the greatest number of comorbidities

Acute renal failure, HIV, Cardiomyopathy and myocarditis, Protein-energy malnutrition, Drug-use disorders

Endocarditis, Septicemia, Heart failure, Acute renal failure, Aortic aneurysm

Septicemia, Acute renal failure, Endocarditis, Poisonings, Heart Failure

Endocarditis, Acute renal failure, Septicemia, Poisonings, HIV

5 causes occurring most often as comorbidities

Other infectious diseases, Congenital anomalies, Otitis media, Asthma, Endocrine, metabolic, blood and immune disorders

Well pregnancy, Tobacco, Other infectious diseases, Iron-deficiency anemia, Hypertension

Hypertension, Diabetes, Tobacco, Hyperlipidemia, Ischemic heart disease

Hypertension, Ischemic heart disease, Diabetes, Hyperlipidemia, Heart failure