TABLE 4.
Reference isolate MIC resultsa
| Reference strain | MIC (mg/liter) from: |
|||||
|---|---|---|---|---|---|---|
| Reference strain expected range | Agar dilution | MIC test strip 1 | MIC test strip 2 | Etest 1 | Etest 2 | |
| 18GQ01 | 2–8 | 4 | 16 | 32 | 4 | 2 |
| 18GQA02 | 0.5–2 | 0.5 | 1 | 1 | 1 | 0.5 |
| 18GQA03 | >256 | >256 | >256 | >256 | >256 | >256 |
| 18GQA04 | 0.125–0.5 | 0.25 | 0.5 | 0.5 | 0.5 | 0.5 |
| 18GQA05 | 0.125–0.5 | 0.25 | 0.5 | 1 | 0.5 | 0.5 |
| 18GQA06 | 0.5–2 | 1 | 2 | 2 | 1 | 1 |
| WHO L GQA18 | 0.25–1 | 0.25 | 1.0 | 0.5 | 0.5 | 0.25 |
| WHO P GQA18 | 2–8 | 2 | 8 | 8 | 4 | 4 |
| ATCC 49226 GQA18 | 0.25–1 | 0.5 | 0.5 | 1 | 0.5 | 0.5 |
a
Individual replicate MIC values are presented (WHO GASP quality assurance program, 2018). For data analysis, the higher of replicate MICs was used.