Factors associated with heterochronic gastric cancer development post-endoscopic mucosal dissection in early gastric cancer patients

Table 3 Univariate analysis of risk factors for developing concurrent gastric cancer

Clinicopathological features	OR	95%CI	P value
Age ≥ 65 yr	5.679	1.164-27.701	0.025
Male	2.400	0.600-9.604	0.343
Smoking (BI ≥ 400)	2.622	0.689-9.971	0.291
Family history of stomach cancer	3.067	0.291-32.329	0.359
Initial multiple foci	4.547	0.101-19.960	0.912
Lesion ≥ 2 cm	2.042	0.563-7.399	0.348
Lesion in the lower third of the stomach	2.469	0.620-9.830	0.220
O-shaped atrophy	2.115	0.531-8.425	0.447
Severe intestinalization	4.632	1.159-18.514	0.045
Divergent	6.25	0.771-50.695	0.109
Depth of submucosal infiltration < 500 μm	4.4	0.745-25.991	0.134

95%CI: 95% confidence interval; OR: Odds ratio; BI: Brinkman index.