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Table 1 Demographic characteristics of the study subjects

From: Volatile organic metabolites identify patients with gastric carcinoma, gastric ulcer, or gastritis and control patients

  Gastric carcinoma Gastric ulcer Gastritis Normal controls
Subjects (n) 24 24 48 32
Age (mean ± SD) 63.75 (11.46) 59.33 (12.27) 54.71 (12.14) 39.78 (13.35)
Male 14 17 24 6
Female 10 7 24 26
Smokers (n) 8 4 8 1