Factors related to lymph node metastasis and surgical strategy used to treat early gastric carcinoma

Table 3 Logistic regression analysis for variables associated with lymph node metastasis in early gastric carcinoma

Variables	Risk ratio	95%CI	P value
Age	1.040	0.996-1.021	0.50
Gender	1.022	0884-1.121	0.183
Tumor size	1.342	1.134-1.642	0.003
Gross appearance	1.124	0.987-1.342	0.384
Histologic type	0.948	0.737-1.221	0.009
Depth of invasion	1.241	0.949-1.369	< 0.001
Tumor location	0.963	0.822-1.522	0.09
DNA ploidy	0.876	0.744-1.675	0.06

CI, confidence interval.