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. 2004 Aug;42(8):3734–3738. doi: 10.1128/JCM.42.8.3734-3738.2004

TABLE 2.

Antimicrobial susceptibility correlation for gram-negative rods

Antimicrobial agenta No. of very major errors No. of major errors No. of minor errors
Ampicillin 1 1 3
Cefalothin 2 2 8
Cefotaxime 3 0 1
Ceftazidime 2 0 0
Ciprofloxacin 0 0 2
Piperacillin 3 0 3
Piperacillin-tazobactam 1 0 0
Imipenem 0 0 0
Gentamicin 0 0 1
TMP/SMX 0 0 0
Total (%) 12 (2.4) 3 (0.6) 18 (3.6)
a

TMP/SMX, trimethoprim-sulfamethoxazole.