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Table 1 Relationship between tumor length and other clinicopathological characteristics

From: Prognostic and predictive significance of tumor length in patients with esophageal squamous cell carcinoma undergoing radical resection

Variable Tumor length P value
  ≤4.0 cm >4.0 cm  
All cases 699 736  
Age (year) 58.7 57.7 0.023
Sex    <0.001
 Male 585 669  
 Female 114 67  
Tumor location    0.01
 Upper 22 11  
 Middle 364 327  
 Lower 313 398  
Differentiation    0.910
 G1 107 107  
 G2 131 137  
 G3 461 492  
T stage    <0.001
 T1 166 21  
 T2 150 93  
 T3 342 540  
 T4 41 82  
N stage    <0.001
 N0 376 295  
 N1 182 193  
 N2 106 170  
 N3 35 78  
Vascular invasion    0.429
 No 578 620  
 Yes 121 116  
Perineural involvement    0.160
 No 576 585  
 Yes 123 151  
Number of resected lymph nodes 24.0 26.5 <0.001