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. 2015 Apr 3;3(4):875–879. doi: 10.3892/mco.2015.539

Table I.

Characteristics of gastric cancer patients and controls in a Tibetan population.

Characteristics Cases, no. (%) (n=23) Controls, no. (%) (n=40) P-value
Age at diagnosis, years median ± SD 56.3±9.1 55.8±9.2 0.8180
BMI, kg/m2 0.9280
  <24   6 (26.1) 12 (30.0)
  >24 and <30 10 (43.5) 15 (37.5)
  >30   7 (30.4) 13 (32.5)
Smoking 13 (56.5) 13 (32.5) 0.0622
Alcohol 13 (56.5) 19 (47.5) 0.4904
Education 0.1219
  Lower than high school 15 (65.2) 18 (55.0)
  High school or higher   8 (34.8) 22 (45.0)
Family history of gastric cancer     2 (8.7)     2 (5.0) 0.7817
H. pylori-positive 17 (73.9) 28 (70.0) 0.7406
Copy no. 1.277±0.472 1.165±0.567 0.4218

BMI, body mass index; H. pylori, Helicobacter pylori.