Table 6.

Final Model Using Multiple Linear Regression Analysis: H pylori Factors Associated With Histology

Pathology	Sites	Factors	Partial regression coefficient ± SE	P value	Multiple correlation coefficient
Western countries
H pylori density	Antrum	BabA (L vs H)	0.77 ± 0.29	.022	0.35
		BabA (H vs negative)	0.12 ± 0.25
		BabA (L vs negative)	0.89 ± 0.36
	Corpus	cagA (positive vs negative)	0.62 ± 0.25	.013	0.43
		BabA (L vs H)	0.71 ± 0.20	.019
		BabA (H vs negative)	−0.01 ± 0.31
		BabA (L vs negative)	0.70 ± 0.37
Neutrophil infiltration	Antrum	BabA (L vs H)	0.54 ± 0.35	.012	0.41
		BabA (H vs negative)	0.76 ± 0.30
		BabA (L vs negative)	1.30 ± 0.45
	Corpus	BabA (L vs H)	0.62 ± 0.31	<.001	0.27
		BabA (H vs negative)	0.84 ± 0.26
		BabA (L vs negative)	1.46 ± 0.39
Atrophy	Antrum	BabA (L vs H)	0.86 ± 0.33	.022	0.40
		BabA (H vs negative)	0.31 ± 0.41
		BabA (L vs negative)	1.17 ± 0.49
		cagA (positive vs negative)	0.69 ± 0.33	.040
	Corpus	BabA (L vs H)	0.44 ± 0.18	.007	0.42
		BabA (H vs negative)	0.34 ± 0.25
		BabA (L vs negative)	0.78 ± 0.27
		cagA (positive vs negative)	0.52 ± 0.22	.106
East Asia
H pylori density	Antrum	BabA (L vs H)	0.68 ± 0.29	.023	0.32
	Corpus	BabA (L vs H)	0.53 ± 0.29	.067	0.38
Neutrophil infiltration	Antrum	BabA (L vs H)	0.85 ± 0.26	.001	0.58
	Corpus	BabA (L vs H)	0.61 ± 0.27	.029	0.40
Atrophy	Antrum	BabA (L vs H)	0.88 ± 0.32	.006	0.48
	Corpus	BabA (L vs H)	0.48 ± 0.22	.027	0.58

NOTE. In the analyses, the partial regression coefficient 0.77 of BabA (BabA-L vs BabA-H) for H pylori density can be interpreted as showing that the H pylori density score with BabA-L strains would be expected to be 0.77 points greater than with BabA-H strains.