Table 3. agr subtypes of S. aureus strains and number of co-occurring virulence-genes.

agr subtype	No. virulence factor encoding genes (%)
	1	2	3	4	5	6
agr I (n = 6)	2 (33.3)	0	0	4 (66.7)	0	0
agr II (n = 6)	1 (16.7)	0	2 (33.3)	1 (16.7)	2 (33.3)	0
agr III (n = 21)	1 (4.8)	6 (28.6)	4 (19.1)	9 (42.9)	0	1 (4.8)
agr IV (n = 1)	0	0	0	0	1 (100)	0
Total	4	6	6	14	3	1