Analysis of Predictors for Lymph Node Metastasis in Patients with Superficial Esophageal Carcinoma

Table 3

Relationship between clinicopathologic factors and depth of invasion.

Variable		Total	m	sm	sm (%)
Differentiation	Good	33	26	7	21	<0.001
	Moderate	42	11	31	74
	Low	18	0	18	100
Tumor size	≤10 mm	26	14	12	50	0.03
	11–20 mm	35	13	22	60
	21–30 mm	20	7	13	70
	≥31 mm	9	0	9	100
Macroscopic type	0-I + 0-III	52	10	42	80	<0.001
	0-II	41	27	14	30