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Table 2 Occurrence (% (n)) and type of complications and symptoms (by ICD-10 code)a,b - patients with influenza episodes between May 2010 and April 2012 in Germany

From: Cost for physician-diagnosed influenza and influenza-like illnesses on primary care level in Germany – results of a database analysis from May 2010 to April 2012

 

Adults

Children

 

N episodes = 21,039

N episodes = 7,107

Bronchitis (J20-J22, J40-J44)

16.0 (3,368)

18.9 (1,346)

Acute upper respiratory (J06)

14.6 (3,063)

20.8 (1,479)

Sinusitis (J01, J32, J31)

6.0 (1,271)

8.9 (636)

Tonsillitis (J03)

2.4 (498)

7.8 (556)

Laryngitis (J04-J05)

2.3 (491)

4.2 (295)

Pneumonia (J12-J18)

1.6 (336)

5.4 (381)

Ear infection (otitis) (H65-H67)

0.9 (190)

13.4 (955)

Bronchiectasis (J47)

0 (0)

0 (0)

Cardiovascular disorders (I30, I32, I33, I40, I42, I20-I24)

0.2 (52)

0 (0)

Cerebrovascular disorders (I60-I66)

0.1 (22)

0 (0)

Neurological disorders (G00-G05)

<0.1 (6)

0.1 (5)

  1. aAnalysis at episode level; bRelevant diagnoses were documented as complications/severe symptoms of influenza if they occurred within 14 days before or after the index date. Equivalent diagnoses which could be both risk factors and complications were unified within the “risk factor” term and documented as such if they were made within 365 days before the index date.
  2. ICD International Classification of Diseases