Objective:To determine the role of neutrophil-to-lymphocyte ratio(NLR)in prognosticating survival outcomes in patients with advanced/metastatic urothelial bladder cancer.Methods:We retrospectively reviewed 84 patients...Objective:To determine the role of neutrophil-to-lymphocyte ratio(NLR)in prognosticating survival outcomes in patients with advanced/metastatic urothelial bladder cancer.Methods:We retrospectively reviewed 84 patients undergoing radical cystectomy(RC)for UCB from January 2002 to June 2012.NLR was computed(median:5 days)prior to surgery.No patients received neoadjuvant chemotherapy.NLR was analyzed as a continuous variable and a cut-off point of 2.7 was obtained,with a statistical receiver operating characteristics of 0.74.KaplaneMeier curves,multivariate Cox proportional hazard and logistics regression models were used to predict NLR association with survival outcomes.Results:The median follow-up period was 30.1 months(range:3.2e161.7)owing to high recurrence rate and subsequent mortalities,compared to the median 64.7 months in patients alive at the end of study period.NLR2.7 was associated with worse survival outcomes(5-year disease-specific survival:22%vs 58%,p Z 0.017,95%CI:1.193e6.009;5-year overall survival:23%vs 60%,p Z 0.008,95%CI:1.322e6.147).Furthermore,on multivariate analyses,higher NLR was independently associated with higher recurrence rate(p Z 0.007,HR Z6.999,95%CI:1.712e28.606),higher T staging(p Z 0.021,HR Z 3.479,95%CI:1.212e9.990)and lymph node involvement(p Z 0.009,HR Z 4.534,95%CI:1.465e14.034).展开更多
文摘Objective:To determine the role of neutrophil-to-lymphocyte ratio(NLR)in prognosticating survival outcomes in patients with advanced/metastatic urothelial bladder cancer.Methods:We retrospectively reviewed 84 patients undergoing radical cystectomy(RC)for UCB from January 2002 to June 2012.NLR was computed(median:5 days)prior to surgery.No patients received neoadjuvant chemotherapy.NLR was analyzed as a continuous variable and a cut-off point of 2.7 was obtained,with a statistical receiver operating characteristics of 0.74.KaplaneMeier curves,multivariate Cox proportional hazard and logistics regression models were used to predict NLR association with survival outcomes.Results:The median follow-up period was 30.1 months(range:3.2e161.7)owing to high recurrence rate and subsequent mortalities,compared to the median 64.7 months in patients alive at the end of study period.NLR2.7 was associated with worse survival outcomes(5-year disease-specific survival:22%vs 58%,p Z 0.017,95%CI:1.193e6.009;5-year overall survival:23%vs 60%,p Z 0.008,95%CI:1.322e6.147).Furthermore,on multivariate analyses,higher NLR was independently associated with higher recurrence rate(p Z 0.007,HR Z6.999,95%CI:1.712e28.606),higher T staging(p Z 0.021,HR Z 3.479,95%CI:1.212e9.990)and lymph node involvement(p Z 0.009,HR Z 4.534,95%CI:1.465e14.034).