Qingshan Wang1, Dayong Zhu2. 1. Department of Vascular Surgery, Heilongjiang Provincial Hospital, Harbin 150081, China. 2. Department of General Surgery, Heilongjiang Provincial Hospital, Harbin 150081, China.
Abstract
BACKGROUND: The inflammatory reaction, which plays a key role in tumor microenvironment, is associated with the tumor development, progression and metastasis. We aim to estimate the potential prognostic value of systemic immune-inflammation index (SII) in patients after radical operation for carcinoma of stomach in gastric cancer. METHODS: One hundred and eighty-two patients with gastric cancer who underwent radical operation for carcinoma of stomach from January 2009 to December 2012 were enrolled and divided into a low SII group (<600×109 cells/L) and a high SII group (SII ≥600×109 cells/L) based on the optimal cutoff value of SII. The clinicopathological features were analyzed and compared between the two groups of patients. We analyzed the disease-free survival (DFS) and the overall survival (OS) by Kaplan Meier survival curve and log-rank test. The prognostic factors were used to evaluate by univariate analysis, and the independent prognostic factors were assessed by using multivariate Cox proportional hazards regression model. RESULTS: The median DFS and OS of all patients were 18.67 and 22.83 months, respectively. According to the univariate and multivariate analysis, the optimal cutoff value of SII had prognostic significance on DFS and OS. The median DFS and OS in low SII group were longer than those in high SII group (21.43 vs. 17.57 months, 28.03 vs. 18.30 months, respectively). The radical resection, type of surgery, metastatic lymph nodes ratio (MLNR), lymphocyte, SII, carcinoembryonic antigen (CEA) and Borrmann classification were the independent prognostic factors in gastric carcinoma. At the same time, the patients with MLNR in low SII group had longer DFS and OS than those with MLNR in high SII group, especially in patients with high MLNR. CONCLUSIONS: SII may serve as a convenient, low-cost and noninvasive prognostic marker for patients after radical operation for carcinoma of stomach in gastric cancer. 2019 Journal of Gastrointestinal Oncology. All rights reserved.
BACKGROUND: The inflammatory reaction, which plays a key role in tumor microenvironment, is associated with the tumor development, progression and metastasis. We aim to estimate the potential prognostic value of systemic immune-inflammation index (SII) in patients after radical operation for carcinoma of stomach in gastric cancer. METHODS: One hundred and eighty-two patients with gastric cancer who underwent radical operation for carcinoma of stomach from January 2009 to December 2012 were enrolled and divided into a low SII group (<600×109 cells/L) and a high SII group (SII ≥600×109 cells/L) based on the optimal cutoff value of SII. The clinicopathological features were analyzed and compared between the two groups of patients. We analyzed the disease-free survival (DFS) and the overall survival (OS) by Kaplan Meier survival curve and log-rank test. The prognostic factors were used to evaluate by univariate analysis, and the independent prognostic factors were assessed by using multivariate Cox proportional hazards regression model. RESULTS: The median DFS and OS of all patients were 18.67 and 22.83 months, respectively. According to the univariate and multivariate analysis, the optimal cutoff value of SII had prognostic significance on DFS and OS. The median DFS and OS in low SII group were longer than those in high SII group (21.43 vs. 17.57 months, 28.03 vs. 18.30 months, respectively). The radical resection, type of surgery, metastatic lymph nodes ratio (MLNR), lymphocyte, SII, carcinoembryonic antigen (CEA) and Borrmann classification were the independent prognostic factors in gastric carcinoma. At the same time, the patients with MLNR in low SII group had longer DFS and OS than those with MLNR in high SII group, especially in patients with high MLNR. CONCLUSIONS: SII may serve as a convenient, low-cost and noninvasive prognostic marker for patients after radical operation for carcinoma of stomach in gastric cancer. 2019 Journal of Gastrointestinal Oncology. All rights reserved.
Entities:
Keywords:
Systemic immune-inflammation index (SII); gastric cancer; metastatic lymph nodes ratio (MLNR); prognostic marker; radical operation for carcinoma of stomach
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