TABLE 5.

Final model of H. pylori factors associated with histology obtained by multiple linear regression analysis

Specimen	Pathology	Factor	Partial regression coefficienta	P value
Antrum	H. pylori density	None
	PMNb infiltration	vacA d1 vs d2	1.12 ± 0.17	<0.01
	Atrophy	vacA d1 vs d2	0.60 ± 0.30	0.04
	Atrophy	vacA m1 vs m2	0.48 ± 0.27	0.08
Corpus	H. pylori density	None
	PMN infiltration	vacA d1 vs d2	0.94 ± 0.17	<0.01
	Atrophy	vacA d1 vs d2	0.63 ± 0.35	0.04
	Atrophy	vacA m1 vs m2	0.52 ± 0.27	0.06

^aThe partial regression coefficients are presented as the means ± standard errors.

^bPMN, polymorphonuclear leukocyte.