Emerging Challenges in Staphylococcus aureus Bloodstream Infections: Insights from Coagulase Typing, Toxin Genes, and Antibiotic Resistance Patterns

Table 3

Distribution of MDR patterns in MRSA and MSSA strains isolated from blood samples.

No. of antibiotics	Resistance pattern^a	MRSA, n (%)	MSSA, n (%)	Total, n (%)
3	ERY, AMK, SXT	5 (17.2)	4 (13.8)	29 (24.2)
	ERY, AMP, AMK	10 (34.5)	10 (34.5)
4	AMP, GEN, TET, AMK	8 (32)	9 (36)	25 (20.8)
	AMP, AMK, ERY, KAN	5 (20)	3 (12)
5	A, CIP, ERY, SXT, AMP, AMK, ERY, GEN,	2 (18.2)	1(9.1)	11 (9.2)
	KAN, CEF, AMP, TET, GEN, RIF, AMK	3 (27.3)	5 (45.4)
6	AMP, CIP, CEF, GEN, ERY, CLI	18 (75)	6 (25)	24 (20)
8	AMK, KAN, GEN, E, TET, CLI, RIF, AMP	5 (71.4)	2 (28.6)	7 (5.8)
10	AMP, KAN, GEN, E, TET, CLI, CHL, CIP, RIF, CFZ	12 (86)	2 (14)	14 (11.7)
11	ERY, AMP, KAN, GEN, CHL, CIP, RIF, CFZ, AMK, CLI, TET	4 (67)	2 (33)	6 (5)
12	AMP, AMK, E, GEN, KAN, CIP, CLI, ERY, TET, SXT, CFZ, RIF, CHL	3 (75)	1 (25)	4 (3.3)

aAMP: ampicillin; CLI: clindamycin; KAN: kanamycin; ERY: erythromycin; TET: tetracycline; CIP: ciprofloxacin; SXT: trimethoprim-sulfamethoxazole; GEN: gentamicin; CFZ: cephazolin; RIF: rifampicin; CHL: chloramphenicol. “a” refer to “a” before AMP in subtitle of the table.