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Table 3 Underlying diseases of the admitted patients according to age

From: Pandemic 2009 H1N1 virus infection in children and adults: A cohort study at a single hospital throughout the epidemic

Age groups

0-15 y

(n = 217)

16-40 y

(n = 100)

41-64 y

(n = 35)

≥ 65 y

(n = 21)

Total cases (n,%)

17 (7.8)

15 (15)

15 (42.9)

16 (76.2)

Hypertension

 

1

2

6

Chronic lung disease

    

   COPD

  

3

7

   Asthma

10

4

2

3

Others

1

  

2

Cancer

 

1

1

 

Diabetes

 

3

2

3

Neurologic disorder

4

1

1

3

Heart disease

 

1

1

5

Chronic liver disease

1

2

4

3

Chronic renal disease

1

3

2

1

Autoimmune disorder

 

2

1

 

Immunosuppresion

1

3

1

1

Pregnancy*

 

4

  
  1. COPD; chronic obstructive pulmonary disease
  2. * Pregnancy was not defined as underlying disease
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