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

Table 1 Baseline characteristics, n (%)

Feature	Value
All cases	210
Age (years), median (years)	(31-91), 65
Sex
Male	156 (74.3)
Female	54 (25.7)
Primary site
Cardia	18 (8.6)
Fundus	2 (1.0)
Body	41 (19.5)
Angle	21 (10.0)
Pylorus	128 (60.9)
Histological differentiation
Well-differentiated adenocarcinoma	14 (6.7)
Moderately differentiated adenocarcinoma	84 (40.0)
Poorly differentiated adenocarcinoma	66 (31.4)
Mucinous adenocarcinoma	3 (1.4)
Signet ring cell carcinoma	41 (19.5)
Papillary adenocarcinoma	1 (0.5)
Lymphoepithelioma-like gastric carcinoma	1 (0.5)
Depth of invasion
Mucosa	93 (44.3)
Submucosa	117 (55.7)
Lymph node metastasis
Metastasis	27 (12.9)
No metastasis	183 (87.1)