a strong trendP = 0.050
Patients who underwent surgery experienced a strong trend toward improved overall survival (OS) (median 29.5 months vs. 18.3 months, HR: 0.42, 95% CI: 0.20–0.90, P = 0.050).
Patients who underwent surgery experienced a strong trend toward improved overall survival (OS) (median 29.5 months vs. 18.3 months, HR: 0.42, 95% CI: 0.20–0.90, P = 0.050).
In a complementary Cox model treating conversion surgery as a time-varying covariate using the observed surgery times, conversion surgery remained associated with improved PFS (HR, 0.32; 95% CI, 0.11–0.95; P = 0.041), whereas the association with OS was directionally favorable but did not reach statistical significance (HR, 0.40; 95% CI, 0.14–1.15; P = 0.088).
Patients older than 65 years, with stomach tumor location, mixed type, moderately differentiated degree or with retroperitoneal lymph nodes metastatic site showed a trend toward higher ORRs (Table S1).