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Table 2 Demographic characteristics of patients with NK/T cell lymphoma and healthy controls

From: LTA + 252A > G polymorphism is associated with risk of nasal NK/T-cell lymphoma in a Chinese population: a case-control study

Characteristic Cases (n = 125) Controls (n = 300) OR (95 % CI) P value
Age, years     
  Mean 43.0 ± 15.0 44.9 ± 14.8   0.569
Sex     
  Male 83 198 1  
  Female 42 102 0.98(0.63-1.53) 0.937
EBV serology test     
  Negative 47 271 1  
  Positive 78 29 15.51(9.16-26.32) <0.001
Originally involved site     
  Paranasal structure 98    
  Other sites 27    
Tumor stage     
  IE 63    
  II E 38    
  III E 15    
  IV E 9