Table 1.

Bacterial isolates utilized in this study

Community or Healthcare Associated	PFGE Profile (USA)	PFGE Profile (CANADA)
CA-MRSA (n = 21)*	USA300 (n = 15)	CMRSA-10 (n = 15)
	USA400 (n = 6)	CMRSA-7 (n = 6)
HA-MRSA (n = 19)**	USA100 (n = 8)	CMRSA-2 (n = 8)
	USA500 (n = 3)	CMRSA-5 (n = 3)
	USA600 (n = 6)	CMRSA-1 (n = 6)
Other	No USA Correlate (n = 2)	CMRSA-9 (n = 2)

*No CA-MRSA were agr dysfunctional

**6 HA-MRSA were agr dysfunctional,belonging to USA 100 (n = 1), USA 400 (n = 1), and USA 500 (n = 2), and USA 600(n = 2) PFGE profile. The remaining strains were classified as agr functional