TABLE IV. The prevalence of gene combinations responsible for resistance to macrolide, lincosamide, and streptogramins B (MLSB) antibiotics among erythromycin-resistant Staphylococcus epidermidis .

Gene combinations	Phenotypes n (%)
	cMLSB (n = 27)	iMLSB (n = 14)	MSB (n = 34)	L-phenotype (n = 25)
ermC	1 (3.7)	1 (7.1)	0 (0)	0 (0)
mphC	0 (0)	0 (0)	2 (5.9)	0 (0)
ermC, mphC	4 (14.8)	3 (21.4)	0 (0)	0 (0)
ermB, mphC	1 (3.7)	0 (0)	0 (0)	0 (0)
ermC, linA/A’	1 (3.7)	0 (0)	0 (0)	2 (8)
ermA, mphC	1 (3.7)	0 (0)	0 (0)	0 (0)
msrA, mphC	0 (0)	0 (0)	2 (5.9)	0 (0)
msrA, linA/A’	0 (0)	0 (0)	1 (2.9)	0 (0)
mphC, linA/A’	0 (0)	0 (0)	0 (0)	1 (4)
ermC, msrA,mphC	3 (11.1)	0 (0)	6 (17.6)	0 (0)
ermC, mphC,linA/A’	10 (37)	5 (35.7)	0 (0)	21 (84)
msrA, mphC,linA/A’	1 (3.7)	0 (0)	9 (26.5)	0 (0)
ermA, ermC,mphC	2 (7.4)	0 (0)	0 (0)	0 (0)
ermC, msrA,mphC, linA/A’	1 (3.7)	5 (35.7)	14 (41.2)	0 (0)
ermA, ermC,mphC, linA/A’	1 (3.7)	0 (0)	0 (0)	0 (0)
Without genes	1 (3.7)	0 (0)	0 (0)	1 (4)

cMLS_B: constitutive resistance to MLS_Bantibiotics; iMLS_B: inducible resistance to MLS_B antibiotics; MS_B: resistance of MS_B type.