TABLE 4.
Gram-negative bacteria identified directly from blood cultures by MALDI-TOF MS (N = 21), Bloemfontein, South Africa, 15 July 2013 to 30 September 2013.
| Organisms identified by MALDI-TOF MS | No. of isolates from MicroScan MS† | MALDI-TOF MS score |
||
|---|---|---|---|---|
| < 1.7 | 1.7–1.99 | > 2.0 | ||
| P. aeruginosa | 4 | 0 | 2 | 2 |
| K. pnuemoniae | 7 | 0 | 3 | 4 |
| A. baumanii | 5 | 0 | 1 | 4 |
| E. cloacae | 1 | 0 | 0 | 1 |
| P. acnes | 1 | 0 | 1 | 0 |
| E. coli | 2 | 0 | 0 | 2 |
|
C. koseri |
1 |
0 |
0 |
1 |
| Total | 21 | 0 | 7 (33%) | 14 (67%) |
†
Platform used at academic diagnostic microbiology laboratory, Universitas Hospital, Bloemfontein, South Africa.