Journal
CANCER BIOMARKERS
Volume 17, Issue 3, Pages 359-367Publisher
IOS PRESS
DOI: 10.3233/CBM-160648
Keywords
Hematological parameters; PLR; NLR; gastric cancer; prognosis
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BACKGROUND: Recently, many studies have investigated the value of the hematologic markers in the prognosis of gastric cancer (GC). However, most studies only focused on the pre-operative markers. The aim of this study was to investigate the prognostic value of the hematologic markers of resectable GC patients at three different periods of the treatment (preoperative, postoperative and before the first chemotherapy). METHODS: Clinical data from 451 GC patients were retrospectively collected. Hematologic markers including leukocyte, neutrophil, lymphocyte, red blood cell (RBC), platelet, mean platelet volume (MPV), neutrophil proportion (NP), lymphocyte proportion (LP), neutrophil lymphocyte ratio (NLR), and platelet lymphocyte ratio (PLR) were adopted as potential prognostic biomarkers. The Kaplan-Meier method and Cox regression model were applied to reveal the prognostic significance of the hematologic markers. RESULTS: Preoperative PLR was independently associated with overall survival (OS) via multivariate analysis (hazard ratio, 1.399; 95% confidence interval, 1.015-1.928; p = 0.04). Elevated PLR predicted a larger tumor size (P < 0.001), deeper tumor invasion (P = 0.035) and elevated level of CEA (P = 0.012). CONCLUSIONS: Although only high preoperative PLR could serve as an independent unfavorable prognostic factor, other markers such as preoperative and postoperative NLR could also provide additionally prognostic information.
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