Prevalence and Risk Factors of Gastric Adenoma and Gastric Cancer in Colorectal Cancer Patients

Table 2

Multivariate analysis for the clinicopathologic factors associated with gastric adenoma or gastric cancer in colorectal cancer patients.

Variables	Group with both synchronous and metachronous lesions			Group with only metachronous lesions
	Odds ratio	value	95% CI	Odds ratio	value	95% CI
Age	1.062	0.015	1.012–1.116	1.885	0.048	1.005–3.534
BMI	1.066	0.417	0.913–1.244	1.124	0.209	0.936–1.351
Smoking	1.521	0.442	0.523–4.425	1.427	0.577	0.409–4.972
Alcohol	6.506	<0.001	2.388–17.728	6.314	0.002	1.952–20.430
Family history (solid tumor)	3.201	0.065	0.930–11.020	3.797	0.076	0.870–16.578
Differentiation	5.901	0.029	1.202–28.970	9.748	0.022	1.390–68.366
Vascular invasion	1.027	0.965	0.303–3.484	1.252	0.759	0.299–5.236
Lymphatic invasion	0.424	0.174	0.123–1.461	0.528	0.385	0.125–2.228