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Table 3 Base-line of the ECC patients with and without LNM after matching

From: Retrospective analysis of LNM risk factors and the effect of chemotherapy in early colorectal cancer: A Chinese multicenter study

Factors N n = 34 LNM(−) n = 17 LNM(+) N = 17 P-value
Gender     0.730
 Male 15 7 8  
 Female 19 10 9  
Age (years old) 57.1 ± 11.4 57.5 ± 12.3 56.8 ± 11.2 0.851
Chemotherapy     0.034*
 Negative 27 16 11  
 Positive 7 1 6  
Smoking     0.287
 Negative 30 14 16  
 Positive 4 3 1  
Alcohol     0.628
 Negative 29 14 15  
 Positive 5 3 2  
Family history     0.628
 Negative 31 15 16  
 Positive 3 2 1  
Tumor size 38.3 ± 17.3 38.3 ± 17.3 38.3 ± 17.3 1.000
Tumor location     1.000
 Rectum 30 15 15  
 Colon 4 2 2  
Endoscopic morphology     0.480
 I (the uplift type) 30 14 16  
 II (the flat type) 1 1 0  
 III (the concave type) 3 2 1  
Pathology     0.504
 Highly differentiated 3 2 1  
 Medium differentiated 27 14 13  
 Poorly differentiated 4 1 3  
Depth of invasion     1.000
 Mucosal layer 4 2 2  
 Submucosal layer 30 15 15  
 Negative 30 17 13  
 Positive 4 0 4  
  1. Note: * P < 0.05, LNM(−):No lymph node metastasis, LNM(+):Lymph node metastasis