Table 4.

Resistance-associated markers of S. aureus from CRS cases and controls.

	CRS Patient Isolates, Number	CRS Isolates, Percent	Control Isolates, Number	Control Isolates, Percent
mecA *	0	0.0	1	2.0
SCCmec Iva *	0	0.0	1	2.0
mecC	0	0.0	0	0.0
blaZ	29	56.9	37	75.5
erm(A)	3	5.9	3	6.1
erm(B), erm(C), lnu(A), msrA	0	0.0	0	0.0
aacA-aphD	0	0.0	1	2.0
aadD, aphA3, sat	0	0.0	0	0.0
fusC, far1	0	0.0	0	0.0
tet(K)	0	0.0	3	6.1
dfrA, mupR, tet(M), cat, cfr, fexA, van genes	0	0.0	0	0.0
qacC	1	2.0	0	0.0

* in a CC30-MRSA-IV (PVL-/tst1-).