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Table 1 Distribution of age and gender in EC patients and controls

From: IL-1B rs2853550 polymorphism contributes to esophageal cancer susceptibility in Chinese Han population of Northwest China

Variable

Cases (n)

%

Controls (n)

%

p value

Total

384

 

499

  

Gender

    

<  0.01a

Female

76

19.7

198

39.7

 

Male

308

80.3

301

60.3

 

Mean Age (years)

60.81

 

51.47

 

< 0.01b

Standard Deviation

8.84

 

11.84

  
  1. pa-value: p-value obtained using χ2 test
  2. pb-value: p-value obtained from independent sample t-test