Prognostic Significance of the Systemic Immune-Inflammation Index in Patients With Cholangiocarcinoma: A Meta-Analysis

BackgroundThe systemic immune-inflammation index (SII) is a significant prognostic factor for neoplastic diseases. However, the prognostic value of SII in patients with cholangiocarcinoma (CCA) remains unclear. This meta-analysis aimed to investigate the prognostic value of preoperative SII in patie...

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Published in:Frontiers in oncology 2022-07, Vol.12, p.938549-938549
Main Authors: Liu, Xue-chun, Jiang, Yue-ping, Sun, Xue-guo, Zhao, Jian-jian, Zhang, Ling-yun, Jing, Xue
Format: Article
Language:English
Subjects:
cholangiocarcinoma (CCA)
meta-analysis
Oncology
overall survival
prognosis
systemic immune-inflammation index
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Summary:BackgroundThe systemic immune-inflammation index (SII) is a significant prognostic factor for neoplastic diseases. However, the prognostic value of SII in patients with cholangiocarcinoma (CCA) remains unclear. This meta-analysis aimed to investigate the prognostic value of preoperative SII in patients with CCA. MethodWe systematically searched for relevant studies in PubMed, Scopus, EMBASE, Web of Science, PROSPERO, and Cochrane Library databases up to March 22, 2022. Hazard ratios (HRs) and 95% confidence intervals (CIs) were used to estimate the association between SII and survival outcomes, including overall survival (OS) and recurrence-free survival. ResultsFive studies with 1402 patients were included in this meta-analysis to determine the prognostic value of preoperative SII. The results showed that a higher SII was associated with poor OS in patients with CCA who underwent invasive surgery (HR=1.916; 95% CI, 1.566-2.343; Z=6.329; P
ISSN:2234-943X
2234-943X
DOI:10.3389/fonc.2022.938549