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Table 2 Clinicopathologic variables and the expression status of MMP9

From: Expression and prognostic relevance of Cyclophilin A and matrix metalloproteinase 9 in esophageal squamous cell carcinoma

Variables N MMP9 P
Low High
Age     1.000
     <65 48 14 34  
     ≥65 22 6 16  
Gender     0.783
     Male 45 12 33  
     Female 25 8 17  
Smoking    0.146 0.301
     Yes (>40 pack-years) 51 12 39  
     No 19 8 11  
Drink     0.427
     Yes (>50 ml/day) 39 13 26  
     No 31 7 24  
Differentiation     0.003
     Well + Moderate 39 17 22  
     Poor 31 3 28  
TNM stage     0.397
     I–II 22 8 12  
     III–IV 48 14 36  
Lymph node status     0.016
     Metastasis 38 6 32  
     No metastasis 32 14 18