Relationship between Helicobacter pylori infection and colorectal polyp/colorectal cancer

Table 1 The correlation between Helicobacter pylori infection and the clinicopathologic characteristics of colorectal polyp

Characteristics	Variables related to H. pylori infection		Ref.
	Variable	Correlation with H. pylori infection
Polyp size (diameter)	> 1.0 cm	Positive	[14,93,95,96]
Polyp/adenomatous polyp number	> 1.0	Negative	[93]
		Positive	[17,95-99]
Pathological type	Adenoma (all)	Positive	[19-21,23,26,27,35,97,98,100-106]
	Tubular adenoma	Positive	[34,107]
	Villous adenoma	Positive	[14,93,96,107]
	Tubular villous adenoma	Positive	[14,34]
	Hyperplastic polyp	Positive	[36,96,103]
	Serrated polyp	Positive	[108]
Adenomatous polyp stage	Advanced adenoma	Positive	[17,23,93,96,103,105]
Distribution of adenomatous polyp	Proximal	Positive	[17,19]

H. pylori: Helicobacter pylori.