Table 3.

Univariate logistic regression analysis

Variables	β	SE	Z	P value	OR (95%CI)
Age	0.03	0.01	3.11	0.002	1.04 (1.01-1.06)
BMI	0.04	0.03	1.08	0.280	1.04 (0.97-1.11)
Sex
Female					1.00 (reference)
Male	0.32	0.22	1.46	0.144	1.38 (0.90-2.11)
Hypertension
No					1.00 (reference)
Yes	0.16	0.23	0.71	0.478	1.18 (0.75-1.84)
Diabetes
No					1.00 (reference)
Yes	0.38	0.37	1.05	0.296	1.47 (0.72-3.01)
Hyperlipidemia
No					1.00 (reference)
Yes	0.36	0.29	1.26	0.207	1.44 (0.82-2.52)
Family history
No					1.00 (reference)
Yes	0.09	0.25	0.35	0.725	1.09 (0.67-1.79)
Smoking
No					1.00 (reference)
Yes	0.73	0.30	2.41	0.016	2.07 (1.14-3.74)
Drinking
No					1.00 (reference)
Yes	0.52	0.26	1.97	0.049	1.68 (1.01-2.82)
H. pylori infection
No					1.00 (reference)
Yes	0.77	0.23	3.31	< 0.001	2.16 (1.37-3.41)
Gastric polyp
No					1.00 (reference)
Yes	0.14	0.32	0.44	0.663	1.15 (0.62-2.15)
Polyp diameter
≤ 2 cm					1.00 (reference)
> 2 cm	0.38	0.22	1.69	0.091	1.46 (0.94-2.26)
Polyp number
≤ 2					1.00 (reference)
> 2	0.53	0.22	2.39	0.017	1.69 (1.10-2.61)
Polyp location
Distal colon					1.00 (reference)
Proximal colon	0.28	0.21	1.33	0.185	1.32 (0.87-2.00)
Polyp color
Rubedo					1.00 (reference)
Non-redness	0.24	0.28	0.84	0.401	1.27 (0.73-2.22)
Polyp morphology
Pedunculated or subpedunculated					1.00 (reference)
Sessile	0.56	0.25	2.28	0.023	1.75 (1.08-2.84)
Excision mode
EMR					1.00 (reference)
Others	0.12	0.25	0.47	0.639	1.13 (0.69-1.85)
Intraoperative bleeding
No					1.00 (reference)
Yes	0.37	0.36	1.05	0.294	1.45 (0.72-2.93)
Pathological type
Others					1.00 (reference)
Adenomatous	0.96	0.23	4.10	< 0.001	2.60 (1.65-4.10)

BMI: Body mass index; H. pylori: Helicobacter pylori; EMR: Endoscopic mucosal resection.