Case Control Study
Copyright ©The Author(s) 2020.
World J Gastrointest Oncol. Mar 15, 2020; 12(3): 289-300
Published online Mar 15, 2020. doi: 10.4251/wjgo.v12.i3.289
Table 2 Demographic and lifestyle characteristics of participants in different regions
CharacteristicNorth
Middle
South
Total
n = 74244.3 (%)n = 48829.2 (%)n = 44426.5 (%)n = 1674100 (%)
Gender
Female46462.512826.213630.672843.5
Male27837.536073.830869.494656.5
BMI74220.0 ± 3.248820.6 ± 2.844420.3 ± 2.2167420.6 ± 2.0
Age in yr74252.9 ± 15.148846.3 ± 12.844447.5 ± 15.0167449.8 ± 11.4
< 4011036.2 ± 5.417436.9 ± 5.27636.7 ± 3.936035.8 ± 2.9
40-4922045.1 ± 4.220244.7 ± 4.528844.8 ± 2.171045.5 ± 2.0
50-5915054.6 ± 6.12851.8 ± 1.9854.4 ± 2.518654.2 ± 2.0
≥ 6026266.1 ± 5.08468.3 ± 11.17277.0 ± 10.441868.0 ± 8.4
Lifestyle
High salt23031.011223.05612.639823.8
Smoking31442.314229.131871.677446.2
Drinking28638.511623.818441.458635.0
Clinical diagnosis
H. pylori infection51269.029660.736081.1116869.8
NAG
None70094.347096.338887.4155893.1
Mild233.1102.1357.9684.1
Moderate162.261.2173.8392.3
Severe30.420.440.990.5
AG
None72297.343889.840891.9156893.7
Mild131.8336.8235.1694.1
Moderate60.8142.8102.3301.8
Severe10.130.630.770.4
IM
None61282.532867.236882.9130878.1
Mild8711.710421.34810.923914.3
Moderate344.6459.2235.11026.1
Severe91.2112.351.1251.5