Table 6.

Results of univariate and multivariate analysis for factors associated with the development of metachronous gastric cancer in all patients

	Univariate analysis			Multivariate analysis
	HR	95%CI	P valve	HR	95%CI	P value
Age ≥ 65 yr	1.317	0.442-3.923	0.620
Endoscopic mucosal atrophy	4.348	1.535-12.320	0.006	1.966	0.526-7.351	0.315
Intestinal metaplasia	5.145	1.722-15.373	0.003	5.145	1.722-15.373	0.003
Histology of undifferentiated type	2.417	0.293-19.902	0.412
SM invasion	0.892	0.113-7.007	0.913
H. pylori non-tested	0.520	0.163-1.660	0.270

SM: Submucosa; H. pylori: Helicobacter pylori.