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Table 3 Clinicopathologic characteristics of mucosal gastric cancer compared with submucosal gastric cancer

From: Analysis of lymph node metastasis in early gastric cancer: a single institutional experience from China

VariablesMucosal (n = 508)Submucosal (n = 525)P
Age, years55.8 ± 11.357.9 ± 10.40.002
Sex, n (%)
 Male314 (61.8)354 (67.4)0.059
 Female194 (38.2)171 (32.6) 
Location, n (%)
 Upper37 (7.3)68 (13.0)0.011
 Middle104 (20.5)100 (19.0) 
 Lower367 (72.2)357 (68.0) 
Tumor size, cm2.0 ± 1.22.3 ± 1.1< 0.001
Retrieved LN24.5 ± 8.223.7 ± 8.10.100
LN metastasis, n (%)
 Negative464 (91.3)396 (75.4)< 0.001
 Positive44 (8.7)129 (24.6) 
Lymphovascular invasion, n (%)
 Negative493 (97.0)439 (83.6)< 0.001
 Positive15 (3.0)86 (16.4) 
Perineural invasion, n (%)
 Negative508 (100.0)493 (93.9)< 0.001
 Positive0 (0.0)32 (6.1) 
Differentiation, n (%)
 D-type217 (42.7)217 (41.3)0.653
 UD-type291 (57.3)308 (58.7) 
Lauren classificationa, n (%)
 Intestinal213 (47.1)262 (54.9)0.003
 Diffuse77 (17.0)93 (19.5) 
 Mixed162 (35.9)122 (25.6) 
  1. D-type differentiated-type, LN lymph node, UD-type undifferentiated-type
  2. aThere are some patients with unknown information about the Lauren classification