Risk factors for lymph node metastasis and invasion depth in early gastric cancer: Analysis of 210 cases

Table 2 Univariate and multivariate analysis of risk factors for lymph node metastasis in early gastric cancer, n (%)

Trait	Numerical value	Univariate analysis		Multivariate analysis
		OR (95%CI)	P value	OR (95%CI)	P value
Age, year
≤ 45	7	1.00	-	1.00	-
46-65	102	0.212 (0.043-1.050)	0.057	0.116 (0.011-1.179)	0.069
> 65	101	0.147 (0.029-0.750)	0.021	0.049 (0.004-0.549)	0.014
Sex
Male	156	1.00	-	1.00	-
Female	54	1.533 (0.644-3.653)	0.334	1.359 (0.437-4.219	0.596
Depth of infiltration
Infiltrate into the mucosal layer	93	1.00	-	1.00	-
Infiltrate into the submucosa	117	7.742 (2.252-26.212)	< 0.001	14.346 (2.973-69.234)	< 0.001
Position
Preventriculus	18	1.00	-	1.00	-
Pylorus	2	0.00 (0.00)	0.999	0.00 (0.00)	0.999
Gastric body	41	0.486 (0.114-2.078)	0.330	0.405 (0.076-2.167)	0.291
Gastric angle	21	0.175 (0.018-1.737)	0.137	0.206 (0.017-2.496)	0.214
Sinuses ventriculi	128	0.536 (0.158-1.821)	0.318	0.250 (0.056-1.115)	0.069
Pathological type
Highly differentiated adenocarcinoma	14	1.00	-	1.00	-
Moderately differentiated adenocarcinoma	84	170048308.00 (0.00)	0.999	49334064.34 (0.00)	0.999
Poorly differentiated adenocarcinoma	66	323091785.20 (0.00)	0.999	81279052.88 (0.00)	0.999
Mucinous adenocarcinoma	3	1.00 (0.00)	1.00	0.89 (0.00	1.00
Signet-ring cell carcinoma	41	391626406.30 (0.00)	0.999	122520894.2 (0.00)	0.999
Tumor size, cm
≤ 2	120	1.00	-	1.00	-
> 2	90	2.143 (0.941-4.877)	0.069	2.668 (0.984-7.238)	0.054

OR: Odds ratio.