Oncotarget · 2017
Prognostic value of preoperative plasma fibrinogen level and platelet-to-lymphocyte ratio (F-PLR) in patients with localized upper tract urothelial carcinoma.
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Belinson J L, Qiao Y L, Pretorius R G, Zhang W H, Rong S D, Huang M N, Zhao F H, Wu L Y, Ren S D, Huang R D, Washington M F, Pan Q J, Li L, Fife D
Аннотация
PURPOSE: Hemostatic factors is thought to have a potentially significant role in progression and metastasis of malignant tumors. We investigated the prognostic value of preoperative plasma fibrinogen level and platelet-to-lymphocyte ratio (PLR) in localized upper tract urothelial carcinoma (UTUC).
MATERIALS AND METHODS: A total of 481 patients who underwent radical nephroureterectomy for localized UTUC (pTa-4N0M0) were identified between January 2002 and June 2013. Patients were assigned a F-PLR score of 0, 1, or 2 based upon the presence of elevated plasma fibrinogen level, an elevated PLR, or both. The association between F-PLR score and clinicopathological variables was analysed.
RESULTS: The optimal cut-off value of plasma fibrinogen and PLR for overall survival stratification was determined to be 4.22 and 241.2. Kaplan-Meier analysis revealed significant differences in cancer specific survival (CSS) and overall survival (OS) among patients with F-PLR scores of 0, 1 and 2. Multivariate analysis identified higher F-PLR score as an independent risk factor for CSS (P < 0.001) and OS (P < 0.001). The estimated c-index of the multivariate model for CSS and OS increased from 0.772 and 0.756 to 0.799 and 0.784 when F-PLR score added, which was higher than fibrinogen level, PLR or neutrophil-to-lymphocyte ratio added.
CONCLUSIONS: Preoperative F-PLR score is a negative independent prognostic factor for survival outcomes in patients with localized upper tract urothelial carcinoma. Preoperative F-PLR score may become a useful biomarker, particularly because of its low associated cost and easy accessibility.
MATERIALS AND METHODS: A total of 481 patients who underwent radical nephroureterectomy for localized UTUC (pTa-4N0M0) were identified between January 2002 and June 2013. Patients were assigned a F-PLR score of 0, 1, or 2 based upon the presence of elevated plasma fibrinogen level, an elevated PLR, or both. The association between F-PLR score and clinicopathological variables was analysed.
RESULTS: The optimal cut-off value of plasma fibrinogen and PLR for overall survival stratification was determined to be 4.22 and 241.2. Kaplan-Meier analysis revealed significant differences in cancer specific survival (CSS) and overall survival (OS) among patients with F-PLR scores of 0, 1 and 2. Multivariate analysis identified higher F-PLR score as an independent risk factor for CSS (P < 0.001) and OS (P < 0.001). The estimated c-index of the multivariate model for CSS and OS increased from 0.772 and 0.756 to 0.799 and 0.784 when F-PLR score added, which was higher than fibrinogen level, PLR or neutrophil-to-lymphocyte ratio added.
CONCLUSIONS: Preoperative F-PLR score is a negative independent prognostic factor for survival outcomes in patients with localized upper tract urothelial carcinoma. Preoperative F-PLR score may become a useful biomarker, particularly because of its low associated cost and easy accessibility.