The neutrophil-to-lymphocyte quantitative relation (NLR) is AN inflammation marker that has prognostic price for numerous tumors, however its prognostic price in urothelial cancer (UC) remains moot. This meta-analysis investigated the prognostic price of NLR in UC. a scientific search was performed on PubMed, international intelligence agency internet of Science, and Embase for studies specializing in the association between NLR and clinical options or prognosis of UC and printed till November 2016. Prognostic outcomes and clinical options were collected and analyzed. a complete of eleven,538 patients from thirty two studies were enclosed within the meta-analysis. inflated pretreatment NLR foretold poor overall survival (hazard quantitative relation [HR] = one.72, ninety fifth confidence interval [CI] = one.452.05), progression free survival.