TABLE 2.

Oxacillin susceptibility by agar dilution for coagulase-negative staphylococci with discrepant Vitek and mecA PCR results

mecA status	No. of oxacillin-susceptible organisms detected bya:
	Vitek		Agar dilution
	R	S	R	S
+		5b	2	3c
−	47d		34e	13

^aR, resistant; S, susceptible.

^bS. epidermidis (3) and S. hominis (2).

^cS. epidermidis(2) and S. hominis (1).

^dS. saprophyticus (35), S. epidermidis (5), S. hominis (1), S. haemolyticus (1), and others (5).

^eS. epidermidis (2), S. saprophyticus (30), and others (2).