TABLE 2.

Correlation of results of direct and standard antimicrobial susceptibility testing of gram-negative bacilli (n = 110) by using the GN plate

Drug	No. of organism-drug combinations with results indicating:
	MIC agreement	SIR agreement	Very major error	Major error	Minor error
Amikacin	106	107	0	0	3
Amoxicillin-clavulanate	108	110	0	0	0
Ampicillin	108	109	0	0	1
Ampicillin-sulbactam	107	108	0	0	2
Aztreonam	NAa	107	1	0	2
Cefaclor	109	110	0	1	0
Cefepime	108	108	0	0	1
Cefotaxime	109	110	0	0	0
Cefoxitine	108	108	0	0	1
Cefpodoxime	108	109	0	1	1
Cefpodoxime-clavulanate	109	110	0	0	0
Ceftazidime	109	110	0	0	0
Cefuroxime	109	110	0	0	0
Ciprofloxacin	109	109	0	0	0
Doxycyclin	109	109	0	1	0
Gentamicin	103	106	0	0	4
Levofloxacin	110	110	0	0	0
Meropenem	105	110	0	0	0
Moxifloxacin	109	109	0	0	1
Piperacillin	105	108	0	0	2
Piperacillin-sulbactam	106	108	0	0	2
Piperacillin-tazobactam	108	108	1	0	0
Trimethoprim	109	109	0	1	0
Trimethoprim-sulfamethoxazole	108	108	0	0	1
Total (%)	2,479 (98.1)	2,610 (99.0)	2 (0.08)	4 (0.2)	21 (0.8)

^aNA, not applicable due to breakpoint testing.