Table 2.

Relationship between H pylori infection and colorectal polyp.

	H pylori negative		H pylori-positive		P value*	OR (CI %95)
	Number	%	Number	%
Existance of polyp (n = 3231)
Having a polyp	1675	69.7	727	30.3	<.001 (X² = 64.367)
No polyp	451	54.4	378	45.6
Number of polyp (n = 829)
Single polyp	194	58	237	42	= .095 (X² = 2788)	1.67 (1.32–2.11)
Multiple polyp	257	52	1105	34.2		2.12 (1.74–2.58)

CI = confidence interval, OR = odds ratio.

^*Chi-square test.