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Table 1

Selected Characteristics of the control and gastric cancer patient groups.

Character Cases (n = 121) Controls (n = 363) P-valuea
Age (SD) 51.3 (9.4) 53.2 (8.1) 0.8918
Gender (female/male) 56/65 168/195 1.0000
BMI average (SD) 27.1 (5.8) 26.7 (6.6) 0.9344
Alcohol consume
 Number (%) 39 (32.2) 84 (23.1) 0.0538
 Heavy drinker (%)b 12(9.9) 11 (4.4) 0.0049*
Cigarette consume
 Number (%) 42 (34.7) 71 (19.6) 0.0012*
 Heavy smoker (%)c 13 (10.7) 6(1.7) 0.0001*
H. pylori infection
 Number (%) 85 (70.2) 188 (51.8) 0.0005*
Tumor location
 Upper (%) 17 (14.0)
 Middle (%) 54 (44.6)
 Lower (%) 50 (41.3)
a

P-value based on X2 test.

b

Drunken more than twice weekly or more than 100 ml per day for at least half year.

c

More than 1 pack per day for at least half year.