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Table 4 Univariate analysis of GSTM3 expression and clinicopathological factors for DSS and DFS in protein cohort patients with ESCC

From: Low GSTM3 expression is associated with poor disease‐free survival in resected esophageal squamous cell carcinoma

Characteristic Cases Disease-specific survival (DSS) (%) P# Disease-free survival (DFS) (%) P#
3-year DSS 5-year DSS 3-year DFS 5-year DFS
Gender     0.536    0.188
 Male 137 31.4 24.4   19.3 18.2  
 Female 110 40.0 32.4   30.3 25.0  
Age     0.210    0.214
 ≤60 138 37.7 32.8   31.9 23.3  
 >60 109 32.1 21.5   22.0 17.7  
Location     0.148    0.054
 Upper 60 25.0 20.8   12.5 12.5  
 Middle 161 37.9 29.3   26.3 21.3  
 Lower 26 42.3 35.3   37.5 37.5  
Differentiation     0.098    0.046
 Grade 1 23 52.2 52.2   43.5 36.2  
 Grade 2 157 35.0 24.3   24.7 23.7  
 Grade 3 67 29.9 27.9   15.8 7.9  
pT category     0.001    0.017
 T1-2 84 48.8 42.0   29.7 28.3  
 T3-4 163 28.2 21.5   21.2 15.9  
pN category     0.000    0.002
 N0 136 45.6 35.2   29.3 24.1  
 N1 111 22.5 19.7   17.7 17.7  
Pathological staging     0.000    0.001
 I 13 69.2 69.2   38.5 38.5  
 II 149 43.0 32.7   27.8 23.3  
 III 85 16.5 16.5   15.4 15.4  
GSTM3 expression     0.070    0.006
 Low 155 31.0 22.3   18.7 15.3  
 High 92 42.4 37.1   33.5 30.5  
  1. #Kaplan-Meier method (log-rank test)