Factors associated with Staphylococcus aureus nasal carriage and molecular characteristics among the general population at a Medical College Campus in Guangzhou, South China

Table 2 Demographic characteristics and molecular features of 23 cases with S. aureus carried

Case	Age	Gender	Profession	Resistance profile	pvl	sea/seb	ST	CC	PFGE
1	20	Female	SCH	PEN, GEN, ERY, TCY, CLI, SXT	−	+/+	59	59	G
2	23	Male	SCH	PEN	−	±	6	6	A
3	22	Male	SCH	PEN, ERY, TCY, CLI	−	±	59	59	G
4	21	Male	SCH	NR.	−	−/+	188	188	A
5	20	Female	SCH	PEN, CTX	−	+/+	965	5	A
6	62	Female	SCH	PEN, ERY	−	+/+	30	30	C
7	23	Female	SOC	PEN	−	+/+	72	72	B
8	70	Female	SOC	PEN, CIP, CLI	−	+/+	1	1	A
9	17	Female	SOC	PEN, FOX, CXM, CTX, CRO, IPM, CIP,GEN, ERY, TCY, CLI	−	−/+	8	8	C
10	65	Female	SOC	PEN	−	−/+	188	188	A
11	62	Female	SOC	PEN	−	−/−	188	188	A
12	53	Male	SCH	PEN, CLI	−	+/+	1	1	A
13	24	Female	SCH	PEN, CLI	−	±	1	1	A
14	13	Female	SCH	GEN, ERY, CLI, SXT	−	+/+	5	5	A
15	14	Male	SCH	ERY	−	±	6	6	A
16	14	Male	SCH	PEN, GEN, ERY	−	±	30	30	C
17	14	Female	SCH	PEN, ERY, TCY, CLI	−	±	59	59	H
18	14	Male	SCH	PEN, GEN, ERY, TCY	−	+/+	965	5	A
19	13	Female	SCH	PEN, GEN, ERY, CLI, SXT	−	+/+	7	7	K
20	14	Male	SCH	NR.	−	+/+	59	59	G
21	13	Female	SCH	ERY	−	+/+	944	182	E
22	14	Male	SCH	NR.	−	+/+	7	7	A
23	14	Male	SCH	NR.	−	+/+	537	59	G

SCH the volunteers who work or study in the college, SOC the volunteers who work beside the college, pvl Panton-Valentine leukocidin gene, sea staphylococcal enterotoxin A gene, seb staphylococcal enterotoxin B gene, ST sequence type, CC clonal complexe, PFGE pulsed-field gelelectrophoresis, PEN penicillin, FOX cefoxitin, CXM cefuroxime, CTX cefotaxime, CRO ceftriaxone, IPM imipenem, TCY tetracycline, CIP ciprofloxacin, CLI clindamycin, ERY erythromycin, GEN gentamicin, SXT trimethoprim/sulfamethoxazole, NR. the isolate is sensitive to all the antibiotics, − negative, + positive

ISSN: 1476-0711