Table 6.

Comparison between confidence scores of MALDI-BD and MALDI-MS methods and identification methods of 22 samples of bacteria (Chryseobacterium indologenes and Elizabethkingia meningoseptica)

Identification level	MALDI-BD score
	3000 to 2300			2299 to 2000				1999 to 1700		1699 to 0
	MALDI-MS score			MALDI-MS score				MALDI-MS score		MALDI-MS score
	89.9% to 85%	<85%	INC	99.9% to 90%	89.9% to 85%	<85%	INC	99.9% to 90%	INC	<85%	INC
Genus/species		1		1		2		3
Genus	1			1	2	2		2
Discrepancy										1
Othera			1				2		1		2
Total	1	1	1	2	2	4	2	5	1	1	2

INC, inconclusive; MALDI-BD, MALDI-TOF BioTyper (Becton Dickinson (BD), San Diego, CA, USA); MALDI-MS, MALDI-TOF VITEK MS (bioMérieux, Marcy l’Étoile, France); MALDI-TOF, matrix-assisted laser desorption/ionization time-of-flight mass spectrometry.

^aIdentified by MALDI-BD and inconclusive by MALDI-MS.