Table 2. Statistical analysis of phenotype variation in clinical isolates.

	Total	Colonization	SSTI	Invasive
	N = 300 (%)	N = 117 (%)	N = 151 (%)	N = 32 (%)	p-value
Colony Morphology
Gold	288 (96)	114 (97.4)	147 (97.4)	27 (84.4)	0.002
White	12 (4)	3 (2.6)	4 (2.6)	5 (15.6)
Hemolytic Activity
Low/none	13 (4.3)	8 (6.8)	3 (2)	2 (6.3)	0.186
Intermediate	272 (90.7)	101 (86.3)	143 (94.7)	28 (87.5)
High	15 (5.0)	8 (6.8)	5 (3.3)	2 (6.3)
Acetate Utilization
Positive	287 (95.7)	112 (95.7)	147 (97.4)	28 (87.5)	0.045
Negative	13 (4.3)	3 (4.3)	4 (2.6)	4 (12.5)