Journal
WORLD JOURNAL OF SURGICAL ONCOLOGY
Volume 14, Issue -, Pages -Publisher
BIOMED CENTRAL LTD
DOI: 10.1186/s12957-016-0889-2
Keywords
Osteosarcoma; NLR; PLR; Prognosis
Funding
- National Natural Science Foundation of China [81402554]
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Background: Inflammatory response markers have been proposed to predict the clinical outcomes in various cancers. The aim of this study was to explore the influence of the neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) on the prognosis of osteosarcoma. Methods: Three hundred fifty-nine patients who underwent curative surgery for osteosarcoma were enrolled from 2005 to 2010. NLR and PLR were calculated from peripheral blood cell counts taken at pre-treatment. Optimal cutoff values of NLR and PLR were determined on the basis of receiver operating characteristic curve analysis. A predictive model was established to predict the clinical outcome for overall survival, and the predictive accuracy of this model was determined by concordance index (c-index). Results: Our results showed that advanced stage and metastasis at diagnosis were significantly associated with the high NLR and PLR groups. NLR was an independent prognostic indicator for overall survival (HR = 1.80, 95 % CI = 1.35-2.41, P < 0.001) and progression-free survival (HR = 1.65, 95 % CI = 1.26-2.15, P < 0.001), except for PLR. The nomogram could perform well in the prediction of overall survival in patients with osteosarcoma (c-index 0.829). Conclusions: Our results suggest that both NLR and PLR can reflect clinical prognosis. NLR is more predictive of overall survival and progression-free survival than PLR.
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