Table 2. The number of agreement & error categories with the BMD test for isolates showing discrepancies between QMAC-dRAST and Vitek 2

Ann Clin Microbiol 2022;25:109-118. Clinical usefulness of the QMAC-dRAST system for AmpC β-lactamase-producing Enterobacterales

Table 2. The number of agreement & error categories with the BMD test for isolates showing discrepancies between QMAC-dRAST and Vitek 2

Bacterial species	No. of AST results	No. of susceptibility category in BMD			No. of agreement & error categories
		No. of susceptibility category in BMD			QMAC-dRAST vs. BMD					Vitek 2 vs. BMD
		R	I	S	EA	CA	VME	ME	mE	EA	CA	VME	ME	mE
M. morganii	40	15	11	14	23	14	0	6	20	29	16	8	0	16
S. marcescens	24	6	3	15	18	8	0	4	12	22	15	2	0	7
K. aerogenes	10	1	1	8	3	3	0	3	4	9	7	1	0	2
E. cloacae	24	6	9	9	20	14	0	3	7	19	9	3	0	12
C. freundii	23	17	0	6	17	10	4	1	8	15	12	6	2	3
Total	121	45	24	52	81	49	4	17	51	94	59	20	2	40

Abbreviations: BMD, broth microdilution: AST, antimicrobial susceptibility testing; R, resistant; S, susceptible; I, intermediate; CA, categorical agreement; EA, essential agreement; VME, very major error; ME, major error; mE, minor error.