Table 1 Enterobacteriaceae (216 strains): results of GDM versus BMD as the reference method
Antibiotic/method | Range | MIC 50 | MIC 90 | Susceptible (%) | Intermediate (%) | Resistant (%) | Kappa | Minor error (%) | Major and very major error (%) |
|---|---|---|---|---|---|---|---|---|---|
Ceftazidime GDM | 0.016- > 256 | 0.25 | 32 | 186 (86.1) | 6 (2.8) | 24 (11.1) | 88.8 | 5 (2.3) | 1 (0.5) |
Ceftazidime BMD | < 0.06- > 32 | 0.25 | 32 | 185 (85.6) | 5 (2.3) | 26 (12.0) | – | – | – |
Ceftolozane-tazobactam GDM | 0.023- > 256 | 0.25 | 1.5 | 197 (91.2) | 6 (2.8) | 13 (6.0) | 91.1 | 3 (1.4) | – |
Ceftolozane-tazobactam BMD | < 0.06- > 32 | 0.25 | 1 | 199 (92.1) | 5 (2.3) | 12 (5.6) | – | – | – |
Meropenem GDM | < 0.002- > 32 | 0.032 | 0.125 | 209 (96.8) | 1 (0.5) | 6 (2.8) | 92.6 | 1 (0.5) | – |
Meropenem BMD | < 0.06- > 32 | < 0.06 | 1 | 209 (96.8) | – | 7 (3.2) | – | – | – |
Doripenem GDM | < 0.002- > 32 | 0.064 | 0.25 | 209 (96.8) | – | 7 (3.2) | 100 | – | – |
Doripenem BMD | < 0.06- > 32 | < 0.06 | 0.5 | 209 (96.8) | – | 7 (3.2) | – | – | – |