TABLE 2.

Key reactions for differentiation of S. schleiferi and S. lugdunensis from other staphylococci

Species	No. of isolates tested	% Positivity
		Tube coagulase	Human clumping factor	Rabbit clumping factor	Thermonuclease	PYR	ALP	ODC	Urease	Maltose
S. aureus	20	100	100	100	100	0	95	0	95	90
S. schleiferi	9	0	100	78	100	89	100	0	0	0
S. lugdunensis	15	0	87	73	0	100	100	100	81	100
S. haemolyticus	25	0	0	0	NTa	100	0	0	3	96
S. epidermidis	37	0	0	0	NT	0	92	11b	86	100
Other CoNS spp.	40	0	0	0	NT	40	23	0	70	63

^aNT, not tested. 

^bWeak reaction.