Efficacy, risk factors and complications of endoscopic polypectomy: Ten year experience at a single center

Table 3 Results of the Pearson χ² test applied in the sub-groups for evaluation of the association between bleeding and variables

	P-value
	Group 1	Group 2	Group 3	Group 4
Associated extra intestinal diseases
Liver diseases	0.003	0.060	0.001	0.851
Location
Transverse colon	0.0001	0.966	0.853	0.123
Histology
Hyperplastic polyp	0.238	0.023	0.912	0.125
Dysplasia
Invasive cancer	0.996	0.0001	0.681	0.561
Associated intestinal diseases
Colon rectal cancer	0.130	0.384	0.922	0.036