TABLE 1.

Prevalence of hVISA in 14 epidemiologic studies

Study authors (reference)	MRSA strains			MSSA strains			All strains
	No. of isolates	No. of hVISA	% hVISA	No. of isolates	No. of hVISA	% hVISA	Total	No. of hVISA	% hVISA
Hiramatsu et al. (19)	1,149	35	3.05	0	0	0	1,149	35	3.05
Franchi et al. (11)	30	0	0	0	0	0	30	0	0
Ariza et al. (1)	19	14	73.68	0	0	0	19	14	73.68
Kantzanou et al. (23)	72	1	1.39	25	0	0	97	1	1.03
Geisel et al. (14)	85	7	8.24	0	0	0	85	7	8.24
Wong et al. (39)	52	3	5.77	112	0	0	164	3	1.83
Bierbaum et al. (2)	367	2	0.54	90	0	0	457	2	0.44
Schmitz et al. (31)	302	0	0	0	0	0	302	0	0
Marchese et al. (26)	179	2	1.12	0	0	0	179	2	1.12
Kim et al. (24)	3,371	59	1.75	1,172	0	0	4,543	59	1.30
Bobin-Dubreux et al. (3)	0	0	0	469	1	0.21	469	1	0.21
Reverdy et al. (30)	171	3	1.75	0	0	0	171	3	1.75
Trakulsomboon et al. (37)	155	5	3.23	0	0	0	155	5	3.23
Wootton et al. (41)	100	0	0	0	0	0	100	0	0
Total	6,052	131	2.16	1,868	1	0.05	7,920	132	1.67