Potential Impact of Rapid Blood Culture Testing for Gram-Positive Bacteremia in Japan with the Verigene Gram-Positive Blood Culture Test
Table 2
Performance of the BC-GP assay at Sakakibara Heart Institute.
Organism
BC-GP (total)
BC-GP (monomicrobial cultures)
Number of organisms
Number (%) of isolates
Number of organisms
Number (%) of isolates
Correctly identified
Not detected
Incorrectly identified
Correctly identified
Not detected
Incorrectly identified
Staphylococcus
24
24 (100)
22
22 (100)
S. aureus
7
7 (100)
7
7 (100)
Methicillin-sensitive
6
6 (100)
6
6 (100)
Methicillin-resistant
1
1 (100)
1
1 (100)
S. epidermidis
12
12 (100)
11
11 (100)
Methicillin-sensitive
2
2 (100)
2
2 (100)
Methicillin-resistant
10
10 (100)
9
9 (100)
S. lugdunensis
1
1 (100)
1
1 (100)
Other CNS
4
4 (100)
3
3 (100)
S. hominis
2
2 (100)
2
2 (100)
S. haemolyticus
1
1 (100)
S. capitis
1
1 (100)
1
1 (100)
Streptococcus
8
8 (100)
8
7 (87)
1 (13)
S. pyogenes
1
0 (0)
1
1
0 (0)
1 (100)
S. agalactiae
1
1 (100)
1
1 (100)
S. anginosus group
2
2 (100)
2
2 (100)
S. anginosus
2
2
2
2 (100)
Other streptococci
4
4 (100)
4
4 (100)
S. oralis
2
2 (100)
2
2 (100)
S. sanguinis
1
1 (100)
1
1 (100)
S. parasanguinis
1
1 (100)
1
1 (100)
Enterococcus
2
1 (50)
1 (50)
E. faecalis
1
0 (0)
1
Vancomycin-sensitive
1
0 (0)
1
E. faecium
1
1 (100)
Vancomycin-sensitive
1
1 (100)
Listeria spp.
1
1 (100)
1
1 (100)
Total
35
33 (94)
1 (3)
1 (3)
31
30 (97)
1 (3)
Other nontarget Gram-positives
1
1
Corynebacterium striatum
1
1
Total isolates
36
32
Identified to the genus level, but not to the species level. “S. anginosus group” identified by the BC-GP assay is defined as “correctly identified” for each species. Polymicrobial culture with S. epidermidis.
