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Table 2 Characteristics of patients and controls

From: No role for glutathione S-transferase genotypes in Caucasian esophageal squamous cell or adenocarcinoma etiology: an European case–control study

Characteristics Patients    Controls
  ESCC EAC EC  
Number (%) 106* (24.1%) 327* (74.3%) 440* (100%) 592
Age (yrs; mean ± SD) 64.4 ± 10.5 64.9 ± 11.2 64.8 ± 11.1 63.4 ± 11.9
Gender     
  Male 67* (63.2%) 281 (85.9%) 348 (79.0%) 478 (80.7%)
  Female 38* (35.8%) 46 (14.1%) 84 (19.1%) 114 (19.3%)
  1. *Note that for 7 patients data on the exact tumor type are missing, whereas for 1 patient the gender is unknown.
  2. ESSC esophageal squamous cell carcinoma, EAC esophageal adenocarcinoma.