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Table 1 Correlations between lymph node metastasis and clinicopathological features

From: A nomogram for predicting the likelihood of lymph node metastasis in early gastric patients

Clinicopathological features Lymph node metastasis p
Negative (n = 539) Positive (n = 58)
Gender    0.901
 Male 376 (90.4 %) 40 (9.6 %)  
 Female 163 (90.1 %) 18 (9.9 %)  
Age (year)    0.024
 <50 108 (85.0 %) 19 (15.0 %)  
 ≥50 431 (91.7 %) 39 (8.3 %)  
Tumor location    0.179
 Upper 1/3 89 (94.7 %) 5 (5.3 %)  
 Middle 1/3 130 (92.9 %) 12 (8.5 %)  
 Low 1/3 320 (87.9 %) 41 (11.4 %)  
Macroscopic type    <0.001
 I/II 374 (94.4 %) 22 (5.6 %)  
 III/Mixed 165 (82.1 %) 36 (17.9 %)  
Size (cm)    
 <2.0 274 (93.8 %) 18 (6.2 %) 0.004
 ≥2.0 265 (86.9 %) 40 (13.1 %)  
 <1.5 203 (96.7 %) 7 (3.3 %) <0.001
 ≥1.5 336 (86.8 %) 51 (13.2 %)  
Histology    0.001
 Adenocarcinoma 403 (92.6 %) 32 (7.4 %)  
 Other typesa 136 (84.0 %) 26 (16.0 %)  
Differentiation    <0.001
 Differentiated 245 (96.1 %) 10 (3.9 %)  
 Undifferentiated 294 (86.0 %) 48 (14.0 %)  
Ulcer    <0.001
 Absent 463 (92.4 %) 38 (7.6 %)  
 Present 76 (79.2 %) 20 (20.8 %)  
Lymphovascular invasion    <0.001
 Absent 510 (95.0 %) 27 (5.0 %)  
 Present 29 (48.3 %) 31 (51.7 %)  
Depth of invasion    <0.001
 Mucosa 325 (97.0 %) 10 (3.0 %)  
 Submucosa 214 (81.7 %) 48 (18.3 %)  
  1. Other typesa: signet-ring cell carcinoma, mucinous adenocarcinoma, etc
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