Table 1.

Antibiotic susceptibility of S. aureus isolates (MSSA and MRSA) from KZN province, South Africa

	MSSA n = 166			MRSA n = 61			Total n = 227
Antibiotic	Number of isolates that were:		Resistance rate (%)	Number of isolates that were:		Resistance rate (%)	No/Resistance rate (%)
	S	R		S	R
Penicillin	19	147	88.6	0	61	100	208 (91.6)
Ampicillin	19	147	88.6	0	61	100	208 (91.6)
Oxacillin	166	0	0	0	61	100	61 (26.9)
Erythromycin	147	19	11.4	11	50	82	69 (30.4)
Clindamycin	148	18	10.8	11	50	82	68 (30.0)
Gentamicin	160	6	3.6	2	59	96.7	65 (28.6)
Streptomycin	166	0	0	42	19	31.1	19 (8.4)
Kanamycin	160	6	3.6	2	59	96.7	65 (28.6)
Neomycin	166	0	0	42	19	31.1	19 (8.4)
Trimethoprim	148	18	10.8	9	52	85.2	70 (30.8)
Trimethoprim/Sulphamethoxazole	148	18	10.8	9	52	85.2	70 (30.8)
Tetracycline	153	13	7.8	6	55	90.2	68 (30.0)
Minocycline	166	0	0	6	55	90.2	55 (24.2)
Teicoplanin	166	0	0	61	0	0	0
Vancomycin	166	0	0	61	0	0	0
Chloramphenicol	165	1	0.6	51	10	16.4	11 (4.8)
Ciprofloxacin	165	1	0.6	50	11	18.0	12 (5.3)
Fusidic acid	166	0	0	61	0	0	0
Rifampicin	165	1	0.6	16	45	73.8	46 (20.3)
Mupirocin (5 μg)	165	1	0.6	46	15	24.6	16 (7.0)
Mupirocin (200 μg)	165	1	0.6	60	1	1.6	2 (0.9)
Methicillin	ND	ND	-	0	61	100	-
Cefoxitin	ND	ND	-	0	61	100	-

KEY

S – sensitive; R – Resistant.

ND: Not Determined