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Table 3 Identification results by microarray and bacterial culture of 157 clinical specimens

From: Development of a DNA microarray assay for rapid detection of fifteen bacterial pathogens in pneumonia

Hybridzation report

Number (%)

Microarray result

Standard culture

Correct identification

81 (39.9)

Acinetobacter baumannii

Acinetobacter baumannii

29 (14.3)

Pseudomonas aeruginosa

Pseudomonas aeruginosa

11 (5.4)

Staphylococcus aureus

Staphylococcus aureus

11 (5.4)

Klebsiella pneumoniae

Klebsiella pneumoniae

6 (3.0)

Enterococcus faecium

Enterococcus faecium

5 (2.5)

Stenotrophomonas maltophilia

Stenotrophomonas maltophilia

4 (2.0)

Escherichia coli

Escherichia coli

2 (1.0)

Burkholderia cepacia

Burkholderia cepacia

1 (0.5)

Enterococcus faecalis

Enterococcus faecalis

1 (0.5)

Streptococcus pneumoniae

Streptococcus pneumoniae

11 (5.4)

Negative

Negative

Incorrect identification

 Pathogens belong to our target

1 (0.5)

Negative

Staphylococcus aureus

 Pathogens not belong to our target

29 (14.3)

Negative

Streptococcus viridans

3 (1.5)

Negative

Neisseria mucosa

2 (1.0)

Negative

Staphylococcus hominis

2 (1.0)

Negative

Staphylococcus epidermidis

1 (0.5)

Negative

Staphylococcus haemolyticus

1 (0.5)

Negative

Chryseobacterium indologenes

1 (0.5)

Negative

Ralstonia mannitolilytica

1 (0.5)

Negative

Citrobacter freundii

 

Total: 203