Table 3. Distribution of virulence genes or mobile genetic elements within SCCmec IV MRSA.

	No. (%) of strains
	Non-subtype-g SCCmec IV a (n = 10)	SCCmec IVg (n = 81)
lukPVSF b	8 (80)	4 (49.4)
Elements harboring IEC
φSA3-related fragment in νSaβ b	8 (80)	0 (0)
φSA3 integrated into hlb	1 (10)	10 (12.3)
φSA3 translocated into νSaβ b	0 (0)	69 (85.2)
Untypable	1 (10)	2 (2.5)
Antibiotic resistance elements or related structures inserted into sasK
MESPM1 b	9 (90)	11 (13.6)
MES6272-2 and related elements b	0 (0)	65 (80.2)
IS1216V or cat-related segregants	1 (10)	4 (4.9)

^a Subtypes of non-subtype-g SCCmec IV MRSA: SCCmec IVa (n = 7), SCCmec IVc (n = 1) and SCCmec IV nontypable (n = 2).

^b Statistically significant difference between non-subtype-g SCCmec IV and SCCmec IVg MRSA strains (P value <0.05 by Fisher’s exact test).