Table 2 Comparison of the results of identification of blood culture isolates obtained with the automated VITEK® 2 system, conventional phenotypic methods, and genotypic methods
From: Comparison of methods for the identification of microorganisms isolated from blood cultures
Microorganism isolated (number) | Automated identification | Conventional methods | Genotypic identification |
|---|---|---|---|
Bacillus licheniformis (N = 2) | 0 | NP | 2 |
Corynebacterium amycolatum (N = 3) | 0 | NP | 3 |
Enterococcus faecalis (N = 8) | 7 | 8 | 8 |
Staphylococcus epidermidis (N = 81) | 71 | 81 | 81 |
Staphylococcus hominis (N = 35) | 32 | 33 | 35 |
Staphylococcus capitis (N = 18) | 17 | 18 | 18 |
Staphylococcus haemolyticus (N = 50) | 49 | 48 | 50 |
Staphylococcus aureus (N = 17) | 17 | 17 | 17 |
Enterobacter cloacae (N = 13) | 13 | 13 | 13 |
Proteus mirabilis (N = 5) | 5 | 5 | 5 |
Escherichia coli (N = 13) | 13 | 13 | 13 |
Serratia marcescens (N = 22) | 22 | 22 | 22 |
Acinetobacter baumannii (N = 39) | 39 | 39 | 39 |
Acinetobacter lwoffii (N = 3) | 3 | 3 | 3 |
Candida albicans (N = 5) | 5 | 5 | 5 |
Candida glabrata (N = 5) | 5 | 5 | 5 |
Candida krusei (N = 2) | 2 | 2 | 2 |
Candida tropicalis (N = 3) | 3 | 3 | 3 |
Enterobacter aerogenes (N = 8) | 8 | 8 | 8 |
Enterococcus faecium (N = 4) | 4 | 4 | 4 |
Klebsiella pneumoniae (N = 43) | 43 | 42 | 43 |
Morganella morganii (N = 3) | 3 | 3 | 3 |
Pseudomonas aeruginosa (N = 15) | 15 | 15 | 15 |
Staphylococcus cohnii (N = 1) | 1 | 1 | 1 |
Staphylococcus warneri (N = 1) | 1 | 1 | 1 |
Stenotrophomonas maltophilia (N = 1) | 1 | 1 | 1 |