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Purpose : To explore the prognostic role of the pretreatment geriatric nutritional risk index (GNRI) in patients with esophageal cancer.  Methods : Several electronic databases were searched from inception to January 27, 2022, for relevant studies. Hazard ratios (HRs) and 95% confidence intervals (CIs) were combined to assess the association between pretreatment GNRI and the prognosis of patients with esophageal cancer. The primary and secondary outcomes were overall survival (OS) and progression-free survival (PFS), respectively. Statistical analyses were performed using STATA software (version 12.0).  Results : Fourteen retrospective studies involving 3981 patients were enrolled. The pooled results demonstrated that lower pretreatment GNRI was an independent prognostic risk factor for poorer OS (HR = 1.47, 95% CI: 1.33–1.63,  P  &lt; 0.001) and PFS (HR = 1.69, 95% CI: 1.24–2.31,  P  = 0.001). Subgroup analysis based on pathological type (squamous cell carcinoma vs. esophageal cancer) and treatment (non-surgery vs. surgery) showed similar results.  Conclusion : Pretreatment GNRI was significantly associated with prognosis of patients with esophageal cancer, and lower pretreatment GNRI predicted worse survival. However, more prospective high-quality studies are needed to verify these findings.

The Prognostic Value of Pretreatment Geriatric Nutritional Risk Index in Esophageal Cancer: A Meta-Analysis