Observational Study
Copyright ©The Author(s) 2025.
World J Gastroenterol. Aug 21, 2025; 31(31): 108977
Published online Aug 21, 2025. doi: 10.3748/wjg.v31.i31.108977
Figure 1
Figure 1 Screening procedures and research flow of this study. CEA: Carcinoembryonic antigen; CA724: Carbohydrate antigen 724; PG: Pepsinogen; PGR: Pepsinogen I/II ratio; GAMLSS: Generalized Additive Models for Location, Scale, and Shape; RIs: Reference intervals.