Table 1.

Baseline characteristics of patients

Baseline characteristics of patients
Number	327
Female sex, %	50.7
Age, mean (± SD), yr	50.2 (12.3)
Body mass index, mean (± SD), kg/m2	22.4 (3.1)
Drinking, %	26.0
Smoking, %	8.3
Family history of gastric cancer, %	16.8
Positive Helicobacter pylori antibody, %	82.9
Kyoto score, mean (± SD)	4.63 (1.89)
Atrophy score, mean (± SD)	1.35 (0.69)
Intestinal metaplasia score, mean (± SD)	0.61 (0.88)
Enlarged folds score, mean (± SD)	0.47 (0.50)
Nodularity score, mean (± SD)	0.40 (0.49)
Diffuse redness score, mean (± SD)	1.71 (0.64)