Table 3 Agreement and errors of the direct method for AST for GNR, after discrepancy analysis
Antimicrobial agent | No. of tested strains | % categorical agreement | No. of minor errors (%) | No. of major errors (%) | No. of very major errors (%) |
|---|---|---|---|---|---|
Amikacin | 49 | 100 | 0 | 0 | 0 |
Amoxicillin/clavulanate | 49 | 98.0 | 1 (2.0) | 0 | 0 |
Ampicillin | 49 | 98.0 | 1 (2.0) | 0 | 0 |
Ceftazidime | 49 | 100 | 0 | 0 | 0 |
Ceftriaxone | 49 | 98.0 | 1 (2.0) | 0 | 0 |
Cefuroxime | 49 | 98.0 | 1 (2.0) | 0 | 0 |
Ciprofloxacin | 49 | 100 | 0 | 0 | 0 |
Colistin | 49 | 100 | 0 | 0 | 0 |
Gentamicin | 49 | 100 | 0 | 0 | 0 |
Levofloxacin | 49 | 100 | 0 | 0 | 0 |
Meropenem | 49 | 100 | 0 | 0 | 0 |
Piperacillin | 49 | 98.0 | 1 (2.0) | 0 | 0 |
Piperacillin/tazobactam | 49 | 100 | 0 | 0 | 0 |
Tobramycin | 49 | 100 | 0 | 0 | 0 |
Trimethoprim/sulfamethoxazole | 49 | 96.0 | 0 | 0 | 2 (4.0) |
Total | 735 | 99.0 | 5 (0.7) | 0 (0) | 2 (0.3) |