Table 3. Performance of CHROMagar ESBL in differentiating E. coli and KEC isolates when using MALDI-TOF-MS as a comparator.
MALDI-TOF-MS isolate identification (no.) | |||
ESBL CHROMagar colony colour | E. coli | KEC spp. | Other |
Dark pink/red | 510 | 29 | 4 |
Metallic blue | 50 | 194 | 23 |
KEC, Klebsiella species/Enterobacter species/Citrobacter species.