Predictive value of neutrophil-to-lymphocyte ratio combined with carcinoembryonic antigen in postoperative adjuvant chemotherapy after gastric cancer surgery

Figure 1  Flowchart depicting the inclusion and exclusion criteria for the study population.

Figure 2 Receiver operating characteristic curves of receiver operating characteristic, platelet-to-lymphocyte ratio, carcinoembryonic antigen, carbohydrate antigen 199, carbohydrate antigen 242, and carbohydrate antigen 724. NLR: Neutrophil-to-lymphocyte ratio; PLR: Platelet-to-lymphocyte ratio; CEA: Carcinoembryonic antigen; CA: Carbohydrate antigen.

Figure 3 Forest plot illustrating Cox subgroup analysis results. NLR: Neutrophil-to-lymphocyte ratio; CEA: Carcinoembryonic antigen.