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Basic Study
©The Author(s) 2025.
World J Gastroenterol. Dec 14, 2025; 31(46): 112664
Published online Dec 14, 2025. doi: 10.3748/wjg.v31.i46.112664
Figure 1
Figure 1 Distribution of five biological factors in two patient groups, justifying a need to balance these confounders. A: Diagnosis; B: Sex; C: Area; D: Smoking; E: Alcohol drinking; F: Differentiation. Analysis of variance test was used to calculate the P value for age at diagnosis, and χ2 test was used for the other factors. HIA: High incidence area; LIA: Low incidence area.


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