. 2016 Jan 2;9(1):e26069. doi: 10.5812/jjm.26069

Table 1. Phenotypic Characteristics of VSSA, hVISA, and VISA Isolates.

	VSSA (n = 51)	hVISA (n = 34)	VISA (n = 45)	P Value^a	P Value^b	P Value^c
PAP-AUC ratio, range (mean ± SD)	0.12 - 0.88 (0.62 ± 0.16)	0.90 - 1.27 (1.04 ± 0.12)	1.35 - 3.91 (1.92 ± 0.66)	< 0.001^d	< 0.001^d	< 0.001^d
Vancomycin MIC range (MIC _50/90 ), μg/mL	1 - 2 (1/2)	1 - 3 (1/2)	2 - 16 (14/16)	0.040^d	< 0.001^d	< 0.001^d
Coagulase negative after 24 hours incubation, No. (%)	0	4 (11.8)	9 (20)	0.023^e	< 0.001^e	0.375^e
agr -dysfunction by colony spreading assay, No. (%)	15 (29.4)	14 (41.2)	25 (55.6)	0.351^e	0.013^e	0.258^e
OD ₅₆₀ value of urease activity, Mean ± SD	0.369 ± 0.25	0.345 ± 0.33	0.559 ± 0.32	0.701^d	0.002^d	0.005^d

Abbreviations: hVISA, heterogeneous vancomycin-intermediate

^aP value when comparing the results of hVISA with those of VSSA.

^bP value when comparing the results of VISA with those of VSSA.

^cP value when comparing the results of hVISA with those of VISA.

^dStudent t-test.

^eFisher’s exact test.