TABLE 5.
Challenge study performance
| Organism | CLSI breakpoints reference results |
Performance of ETEST FO |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| No. of isolates |
No. (%) of isolates |
||||||||
| Total | S (≤64) | I (128) | R (≥256) | EA (%) | CA (%) | VME | ME | mE (%) | |
| E. coli a | 37 | 33 | 0 | 4 | 33 (89.2) | 37 (100) | 0 | 0 | 0 |
| E. faecalis | 39 | 38 | 1 | 0 | 38 (97.4) | 37 (94.9) | NAb | 1 (2.6) | 1 (2.6) |
| Overall | 76 | 71 | 1 | 4 | 71 (93.4) | 74 (97.4) | 0 | 1 (1.4) | 1 (1.3) |
a
Performance results for E. coli according to EUCAST i.v. (S ≤32 mg/L; R >32 mg/L) and oral (S ≤8 mg/L; R >8 mg/L) breakpoints generate the same values. EUCAST does not offer breakpoints for E. faecalis.
b
NA, not available.