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. 2016 Apr 30;22(2):248–253. doi: 10.5056/jnm15140

Table 1.

Characteristics of the Healthy Young Subjects with No Helicobacter pylori Infection and No Abnormalities on Upper Gastrointestinal Endoscopy

Males (n = 163) Females (n = 135) P-value
Age (yr) 23.7 ± 1.71 23.1 ± 1.53
Body mass index (kg/m2) < 25 157 (96.3%) 125 (92.6%) 0.249
Smoking 7 (4.3%) 1 (0.7%) 0.058
Alcohol drinking 141 (86.5%) 116 (85.9%) 0.780

Values are presented as mean ± standard deviation.