Abstract
Background: The objective of this study was to assess the prognostic value of the Geriatric Nutrition Risk Index (GNRI), a simplified, objective screening parameter of nutrition-related risk for various pathological conditions, on patients with non-metastatic renal cell carcinoma (RCC) who underwent surgical resection. Patients and Methods: This study included 432 consecutive patients with non-metastatic RCC who received complete surgical resection. The prognostic outcomes of these patients were evaluated focusing on the significance of GNRI, calculated from serum albumin and the body mass index. Results: Of the 432 patients, 107 (24.8%) and 325 (75.2%) were classified into low (GNRI ≤ 98) and high (GNRI > 98) nutritional groups, respectively. Both recurrence-free survival and cancer-specific survival in the low nutritional group were significantly poorer compared with those in the high nutritional group. Despite the lack of independent significance as a predictor of recurrence-free survival, GNRI, in addition to microvascular invasion, appeared to be independently associated with cancer-specific survival on multivariate analysis. Conclusion: A low nutritional status evaluated by GNRI may have an unfavorable impact on postoperative cancer control, particularly cancer-specific survival, in non-metastatic RCC patients who received surgical resection.
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