Table 3. Comparison of H. pylori infection rate in patients with lower digestive tract diseases.

Disease	H. pylori infection (+) (n = 1765)	H. pylori infection (−) (n = 1110)	Total (n = 2875)	Infection rate	P-value
Colorectal polyp	1308	759	2067	63.28%	0.001**
Colorectal cancer	75	24	99	75.76%	0.003**
Inflammatory bowel disease	19	12	31	61.29%	0.991