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Table 3 Agreement and errors of the direct method for AST for GNR, after discrepancy analysis

From: Evaluation of direct inoculation of the BD PHOENIX system from positive BACTEC blood cultures for both Gram-positive cocci and Gram-negative rods

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)