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Prognostic significance of hemoglobin-to-red cell distribution width ratio in patients with metastatic renal cancer.

The aim of the current research was to investigate the prognostic significance of pretreatment hemoglobin-to-red cell distribution width ratio (HRR) in patients with renal cell carcinoma (RCC). The neutrophil-to-lymphocyte ratio, systemic immune-inflammation index, lymphocyte-to-monocyte ratio (LMR) and HRR were analyzed retrospectively to assess their prognostic value using Kaplan-Meier curves and Cox regression analysis in 198 patients with RCC. High HRR (0.72) and high LMR (2.43) were found to be associated with longer progression-free survival and overall survival. A multivariate analysis identified International Metastatic Renal Cell Carcinoma Database Consortium prognostic score, tumor stage, node stage, LMR and HRR as independent prognostic factors for progression-free survival, as well as International Metastatic Renal Cell Carcinoma Database Consortium score, neutrophil-to-lymphocyte ratio and HRR for overall survival. HRR is a an independent prognostic parameter predicting the progression and survival of patients with RCC.