Prognostic Significance of Platelet-Based Inflammatory Indicators in Patients with Gastric Cancer

Hiroaki Saito, Yusuke Kono, Yuki Murakami, Yuji Shishido, Hirohiko Kuroda, Tomoyuki Matsunaga, Yoji Fukumoto, Tomohiro Osaki, Keigo Ashida, Yoshiyuki Fujiwara

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Background: Thrombocytosis develops in association with malignant tumors and may reflect the inflammation status in cancer patients. This study retrospectively investigated the prognostic significance of two platelet-based inflammatory indicators, the platelet × C-reactive protein multiplier value (P-CRP), and platelet-lymphocyte ratio (PLR), in gastric cancer patients. Methods: The 453 enrolled patients had a histopathological diagnosis of gastric adenocarcinoma and underwent curative surgery. Results: P-CRP correlated significantly with age, tumor size, depth of invasion, lymph node metastasis, and disease stage. A high PLR correlated significantly with tumor size, depth of invasion, lymph node metastasis, lymphatic involvement, venous involvement, and disease stage. In the ROC analysis, the optimal cutoff value of P-CRP and PLR was 3.689 and 173.3, respectively. Five-year survival rates were 62.9 and 82.1% in patients with P-CRPHigh (≥3.689) and P-CRPLow (<3.698), respectively (P < 0.0001). Five-year survival rates were 66.3 and 81.3% in patients with PLRHigh (≥173.3) and PLRLow (<173.3), respectively (P = 0.0022). The prognosis of the P-CRPHigh/PLRHigh group was significantly worse than that of the P-CRPHigh or PLRHigh and P-CRPLow/PLRLow groups in terms of overall survival (P < 0.0001) and disease-specific survival (P = 0.029). In a multivariate analysis, the combination of P-CRP and PLR was an independent prognostic indicator. Conclusions: The combination of P-CRP and PLR may be useful in predicting prognosis in gastric cancer patients.

Original languageEnglish
Pages (from-to)2542-2550
Number of pages9
JournalWorld Journal of Surgery
Volume42
Issue number8
DOIs
Publication statusPublished - 01-08-2018
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Surgery

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