Table 3.

Discrepancies and error in the conventional identification method (Vitek 2) and MALDI-TOF for the identification of 16 Gram-negative cocci

Final identification (no of isolates)	Number of isolates
	Conventional identification method (Vitek 2)		VITEK MS identification		Bruker MS identification		16S rRNA sequence results (number of discrepant organisms sequenced)
	No ID	Mis - ID	No ID	Mis - ID	No ID	Mis - ID
Haemophilus influenzae (8)	0	0	0	0	0	2 (score <1.7)	H. influenzae (2)
Neisseria cinerea (1)	0	0	0	1 (Neisseria subflava)	0	1 (Neisseria sicca)	N. cinerea (1)
Neisseria subflava (5)	NA	NA	0	0	0	Neisseria flava (5)	N. subflava (5)
Neisseria meningitidis (1)	0	0	0	0	0	0
Moraxella catarrhalis (1)	0	0	0	0	0	0

No ID = no identification in spite of its presence in database; Mis - ID = misidentification; NA = not present in database.