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Table 2 Infection characteristics

From: Clinical implications for patients treated inappropriately for community-acquired pneumonia in the emergency department

Variable

Appropriate initial therapy (n = 187)

Inappropriate initial therapy (n = 72)

P value

Cultures source, n(%):

   

 Blood only

46 (24.6)

13 (18.1)

0.041

 BAL

5 (2.7)

6 (8.3)

 

 Sputum

105 (56.1)

34 (47.2)

 

 Tracheal aspirate

31 (16.6)

19 (26.4)

 

Achromobacter species

0 (0.0)

1 (1.4)

0.278

Acinetobacter species

1 (0.5)

5 (6.9)

0.007

Citrobacter species

1 (0.5)

0 (0.0)

1.000

Enterobacter species

1 (0.5)

6 (8.3)

0.002

Escherichia coli

11 (5.9)

0 (0.0)

0.038

Haemophilus influenzae

36 (19.3)

3 (4.2)

0.002

Klebsiella pneumoniae

7 (3.7)

1 (1.4)

0.450

Legionella species

1 (0.5)

0 (0.0)

1.000

Methicillin-resistant Staphylococcus aureus

0 (0.0)

34 (47.2)

<0.001

Methicillin-susceptible Staphylococcus aureus

36 (19.3)

2 (2.8)

<0.001

Moraxella catarrhalis

5 (2.7)

0 (0.0)

0.326

Proteus species

1 (0.5)

1 (1.4)

0.479

Pseudomonas aeruginosa

0 (0.0)

20 (27.8)

<0.001

Streptococcus pneumoniae

79 (42.2)

3 (4.2)

<0.001

Other Streptococci species

22 (11.8)

3 (4.2)

0.097

Polymicrobial, n (%):

14 (7.5)

5 (6.9)

0.881

Positive blood culture, n (%):

51 (27.3)

17 (23.6)

0.549

  1. BAL bronchoalveolar lavage.