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Prognostic values of pretreatment neutrophil-to-lymphocyte and platelet-to-lymphocyte ratios in endometrial cancer: a systematic review and meta-analysis.

ABSTRACT: PURPOSE:Elevated inflammatory markers, including neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR), have been identified as poor predictors of survival in several malignancies. This meta-analysis was performed to quantify the effect of pretreatment NLR and PLR on the survival of patients with endometrial cancer (EC). METHODS:This review systematically searched for relevant publications in databases of PubMed, Embase, and the Cochrane Library. Pooled hazard ratios (pHRs) with 95% confidence intervals (95% CIs) were determined and used to explore the association between inflammatory markers and overall survival (OS) and disease-free survival (DFS) in a random-effects model. Subgroup analysis, sensitivity analysis, and publication bias were also conducted in this meta-analysis. RESULTS:Nine articles comprising 3390 patients were included. NLR higher than the cutoff was associated with a shorter OS (pHR?=?2.22, 95% CI 1.77-2.78) and poorer PFS (pHR?=?1.81, 95% CI 1.35-2.41). Patients with elevated PLR had high risk of decreased OS (pHR?=?1.99, 95% CI?=?1.51-2.61) and unfavorable PFS (pHR?=?2.02, 95% CI 1.45-2.80). CONCLUSIONS:Elevated NLR and PLR during pretreatment are biomarkers of poor prognosis in patients with EC.

PROVIDER: S-EPMC7028808 | BioStudies |

REPOSITORIES: biostudies

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