Figure 2. Kaplan-Meier curves of non-curative surgery and first-line chemotherapy only groups, by stages and inclusion criteria.

Figure 1A shows subgroup analysis according to stage, with stage 4 first-line chemotherapy only group as reference. Stage 4 here included metastatic and recurrent gastric cancer. Figure 1B shows subgroup analysis according to inclusion criteria, with the inclusion criteria (6) as reference. HR, hazard ratio; CI, confidence interval.