Table 1.

Number of subjects and isolates analyzed for carriage rate of Staphylococcus aureus, MRSA, and PVL-positive MSSA

City	Group	No. of subjects screened	No. of cultures (environment)	No. of S. aureus isolates	No. of MRSA isolates (%)*	No. of PVL-positive MSSA isolates (%)*	S. aureus carriage rate (%)	MRSA carriage rate (%)	PVL-positive MSSA carriage rate (%)
Denpasar	Patients at discharge	488		56	4 (7.1)	0	46/488 (9.4)	2/488 (0.4)	0
	Contact patients	21		2	0	0	2/21 (9.5)	0	0
	Health care workers	58		3	0	0	3/58 (5.2)	0	0
	Hospital environment		50	0	0	0	0	0	0
	Household members	12		0	0	0	0	0	0
	Household environment		20	0	0	0	0	0	0
Semarang	Patients at discharge	914		423	76 (18.0)	24 (5.7)	296/914 (32.4)	54/914 (5.9)	21/914 (2.3)
	Contact patients	200		90	33 (26.7)	4 (4.4)	73/200 (36.5)	24/200 (12.0)	4/200 (2.0)
	Health care workers	58		60	0	10 (16.7)	39/58 (67.0)	0	6/58 (10.3)
	Hospital environment		132	13	1 (7.7)	0	13/132 (9.8)	1/132 (0.7)	0
	Household members	10		4	2 (50.0)	0	2/10 (20.0)	1/10 (10.0)	0
	Household environment		15	0	0	0	0	0	0
Malang	Patients at discharge	100		30	12 (40.0)	1 (3.3)	24/100 (24.0)	8/100 (8.0)	1/100 (1.0)
Total	Patients at discharge	1,502		509	92 (18.1)	25 (4.9)	366/1,502 (24.4)	64/1,502 (4.3)	22/1,502 (1.5)
	Contact patients	221		92	33 (35.9)	4 (4.3)	75/221 (33.9)	24/221 (10.9)	4/221 (1.8)
	Health care workers	116		63	0	10 (15.9)	42/116 (36.2)	0	6/116 (5.2)
	Hospital environment		182	13	1 (7.7)	0	13/182 (7.1)	1/182 (0.5)	0
	Household members	22		4	2 (50.0)	0	2/22 (9.1)	1/22 (4.5)	0
	Household environment		35	0	0	0	0	0	0

^*The denominator is number of S. aureus isolates.

MRSA = methicillin-resistant S. aureus; PVL = Panton-Valentine leukocidin; MSSA = methicillin-sensitive S. aureus.