Table 2. Cross-tabulation and Chi-square results of the association between the presence of vly, sld, and pho genes and BV-relatedness .

			non-BV associated G. vaginalis	BV associated G. vaginalis	Total	p
vly	Pos	Count	20	10	30	0 .324
		% within disease	47.6%	35.7%	42.9%
	Neg	Count	22	18	40
		% within disease	52.4%	64.3%	57.1%
	Total	Count	42	28	70
		% within disease	100.0%	100.0%	100.0%
sld	Pos	Count	28	19	47	0 .917
		% within disease	66.7%	67.9%	67.1%
	Neg	Count	14	9	23
		% within disease	33.3%	32.1%	32.9%
	Total	Count	42	28	70
		% within disease	100.0%	100.0%	100.0%
pho	Pos	Count	5	6	11	0 .283
		% within disease	11.9%	21.4%	15.7%
	Neg	Count	37	22	59
		% within disease	88.1%	78.6%	84.3%
	Total	Count	42	28	70
		% within disease	100.0%	100.0%	100.0%