TABLE 1.

Discrepant results in organism identification

Organism	No. of false positives				No. of false negatives
	Total	Resolved to AXDX	Resolved to SOC	Unresolved	Total	Resolved to AXDX	Resolved to SOC	Unresolved
Gram positives
Coagulase-negative Staphylococcus spp.	3	0	3	0	1	1b	0	0
E. faecalis	—a	—	—	—	2	0	2c	0
E. faecium	—	—	—	—	2	0	2	0
S. aureus	2	0	2	0	1	0	1	0
S. lugdunensis	—	—	—	—	—	—	—	—
Streptococcus spp.	6	1	4d	1	—	—	—	—
Gram negatives
A. baumannii	—	—	—	—	—	—	—	—
Citrobacter spp.	—	—	—	—	—	—	—	—
Enterobacter spp.	1	0	1	0	3	1e	2	0
E. coli	—	—	—	—	1	0	1f	0
Klebsiella spp.	—	—	—	—	2	1g	1	0
Proteus spp.	—	—	—	—	—	—	—	—
P. aeruginosa	—	—	—	—	—	—	—	—
S. marcescens	—	—	—	—	—	—	—	—
Yeast
C. albicans	—	—	—	—	—	—	—	—
C. glabrata	5	0	5	0	—	—	—	—
Total	17	1	15	1	12	3	9	0

^a—, no discrepant results occurred.

^bFalse-negative coagulase-negative Staphylococcus spp. occurred in a polymicrobial sample also containing Acinetobacter haemolyticus according to the SOC.

^cOne false-negative E. faecalis occurred in a polymicrobial sample also containing E. coli according to the SOC.

^dFalse-positive Streptococcus spp. (S. salivarius) occurred in a polymicrobial sample also containing E. coli according to the SOC.

^eFalse-negative Enterobacter spp. (E. cloacae) occurred in a polymicrobial sample also containing Acinetobacter jejuni and A. baumannii according to the SOC.

^fFalse-negative E. coli occurred in a polymicrobial sample also containing K. pneumoniae according to the SOC.

^gFalse-negative Klebsiella spp. (K. pneumoniae) occurred in a polymicrobial sample also containing E. cloacae according to the SOC.