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Table 2 Aetiology by full study population, by all microbiological tested and of pathogen specific testing

From: Penicillin treatment for patients with Community-Acquired Pneumonia in Denmark: a retrospective cohort study

 

Study population

Microbiologically tested

Pathogen specific tests

N = 1320

N = 1083

Pathogen

  Streptococcus pneumoniae

67 (5.1%)

67 (6.2%)

67/1079 (6%)a

  Haemophilus Influenzae

57 (4.3%)

57 (5.3%)

57/1075 (5%)b

  Mycoplasma pneumoniae

36 (2.7%)

36 (3.3%)

36/213 (17%)c

  Moraxella catarrhalis

21 (1.6%)

21 (2.0%)

21/1075 (2%)b

  Staphylococcus aureus

12 (0.9%)

12 (1.1%)

12/1075 (1%)b

  Pseudomonas aeruginosa

11 (0.8%)

11 (1.0%)

11/1075 (1%)b

  Escherichia coli

11 (0.8%)

11 (1.0%)

11/1075 (1%)b

  Legionella pneumophilia

5 (0.4%)

5 (0.5%)

5/288 (1.7%)d

 Others

28 (2.1%)

33 (3.0%)

33/1083 (3%)

  1. Data are presented as counts (%)
  2. aPathogen detected by microscopy, culture of sputum or blood or urinary test for Streptococcus pneumoniae
  3. bPathogen detected by microscopy, culture of sputum or blood
  4. cPathogen detected by PCR analysis
  5. dPathogen detected by PCR analysis or urinary antigen test for Legionella pneumophilia
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BMC Pulmonary Medicine

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