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Table 2 Classification of respiratory disease episodes from Acre state ambulatory visit records, 2013–2018

From: Drivers of respiratory health care demand in Acre state, Brazilian Amazon: a cross-sectional study

Disease class a

ICD-10 b

Approximate aetiology a

Aetiology source a

Freq. c

Asthma

J45-J46

Viral, bacterial, allergen-driven, pollution-exposure-driven but also genetic

[33,34,35]

4,08%

Acute bronchitis and bronchiolitis

J20-J21

Mainly viral, but bronchitis also may be bacterial

[36,37,38,39]

4,95%

Bronchitis, emphysema and other chronic obstructive lung diseases

J40-J44

Smoking and air pollution

[40,41,42]

6,12%

Chronic diseases of tonsils and adenoids

J35

Bacterial

[43]

0,01%

Acute pharyngitis and tonsillits

J02-J03

Bacterial or viral

[44, 45]

29,40%

Influenza or flu

J09-J11

Viral

[46]

14,38%

Acute laryngitis and tracheitis

J04

Bacterial or viral

[47,48,49]

0,26%

Other diseases of the respiratory system

J22, J66-J99

Indeterminate, as multiple diseases are included

Does not apply

6,69%

Other diseases of the nose and the paranasal sinuses

J30-J31, J33-J34

Idem

Does not apply

0,19%

Other diseases of the upper respiratory tract

J36-J39

Idem

Does not apply

0,00%

Other acute infections of the upper airways

J00-J01, J05-J06

Idem

Does not apply

26,77%

Pneumonia

J12-J18

Bacterial or viral

[50]

7,14%

Chronic sinusitis

J32

Bacterial

[51, 52]

0,001%

Total

100,00%

  1. aClassification in the first column was made by Acre state health professionals and in the second column by the authors relying strictly on references reported in the third column (patient, clinical and laboratory information could not be accounted for in the aetiological classification for being not available)
  2. bThe respiratory disease classes in the table are those adopted in the Brazilian National Health System, which correspond to aggregations of ICD-10 categories
  3. cBased on a total of 477,609 ambulatory visit episodes, approximately 79,000 episodes per year