TABLE 2.

Evaluation of Verigene BC-GN and MALDI Sepsityper for 200 monomicrobial blood cultures

Definitive identification	No. (%) of cultures	No. (%) organisms correctly detected by:
		MALDI Sepsityper		Verigene BC-GN
		Genus (>1.6)	Species (≥1.8)
Enterobacteriaceae	157 (78.5)	154 (98.1)	149 (94.9)	144 (91)
Escherichia coli	82 (41)	82 (100)	80 (97.6)	82 (100)
Klebsiella pneumoniae	31 (15.5)	30 (96.8)	30 (96.8)	28 (90.3)
Enterobacter cloacae complex	10 (5)	9 (90)	9 (90)	10 (100)
Proteus mirabilis	10 (5)	9 (90)	9 (90)	10 (100)
Enterobacter aerogenes	6 (3)	6 (100)	6 (100)	6 (100)
Serratia marcescens	6 (3)	6 (100)	6 (100)	NIa (100)
Klebsiella variicola	4 (2)	4 (100)	2 (50)	3 (75)b
Klebsiella oxytoca	3 (1.5)	3 (100)	3 (100)	3 (100)
Morganella morganii	2 (1)	2 (100)	2 (100)	NI (100)
Citrobacter freundii complex	1 (0.5)	1 (100)	1 (100)	1 (100)
Enterobacter amnigenus	1 (0.5)	0 (0)	0 (0)	1 (100)
Providencia rettgeri	1 (0.5)	1 (100)	1 (100)	NI (100)
Non-Enterobacteriaceae	43 (21.5)	34 (79.1)	33 (76.7)	26 (60)
Pseudomonas aeruginosa	21 (10.5)	21 (100)	21 (100)	21 (100)
Acinetobacter baumannii complex	3 (1.5)	3 (100)	2 (66.7)	3 (100)
Achromobacter xylosoxidans	2 (1)	2 (100)	2 (100)	NI (100)
Stenotrophomonas maltophilia	2 (1)	0 (0)	0 (0)	NI (100)
Bacteroides fragilis	2 (1)	1 (50)	1 (50)	NI (100)
Fusobacterium spp.	2 (1)	0 (0)	0 (0)	NI (100)
Haemophilus influenzae	2 (1)	1 (50)	1 (50)	NI (100)
Acinetobacter lwoffii	1 (0.5)	1 (100)	1 (100)	1 (100)
Acinetobacter junii	1 (0.5)	1 (100)	1 (100)	1 (100)
Aeromonas caviae	1 (0.5)	1 (100)	1 (100)	NI (100)
Alistipes finegoldii	1 (0.5)	0 (0)	0 (0)	NI (100)
Bacteroides thetaiotaomicron	1 (0.5)	0 (0)	0 (0)	NI (100)
Moraxella osloensis	1 (0.5)	1 (100)	1 (100)	NI (100)
Prevotella denticola	1 (0.5)	0 (100)	0 (100)	NI (100)
Prevotella buccae	1 (0.5)	1 (100)	1 (100)	NI (100)
Rhizobium radiobacter	1 (0.5)	1 (100)	1 (100)	NI (100)
Total	200	188 (94)	182 (91)	170 (85)

^aNI, not included in the assay.

^bThis includes one false positive sample, identified as Klebsiella pneumoniae.