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Published on: April 20, 2018
Prognostic capacity of Systemic Inflammation Response Index (SIRI) in patients with head and neck squamous cell
Cristina Valero1, Laura Pardo1, Aina Sansa1
1Otorhinolaryngology Department, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain.
Background:
Inflammation and immune evasion are associated with carcinogenesis. Systemic Inflammation Response Index (SIRI) has been proposed as a pretreatment peripheral blood biomarker. The aim of this study is to analyze its prognostic capacity in head and neck squamous cell carcinomas (HNSCC).
Methods:
We performed a retrospective study in 824 patients with HNSCC. SIRI was calculated by neutrophils*monocytes/lymphocytes. Using a recursive-partitioning analysis considering disease-specific survival (DSS) as dependent variable, three categories were defined according to SIRI value.
Results:
Males, patients with history of toxic consumption, oropharyngeal or hypopharyngeal tumors, and advanced tumors had a significantly higher SIRI value. As SIRI increased, a significant decrease in DSS was observed. In a multivariable analysis, SIRI was an independent predictor of DSS. Moreover, SIRI was a significant predictor of local, regional, and distant recurrence-free survival.
Conclusions:
SIRI has independent prognostic capacity in HNSCC. Patients with higher SIRI have a significant decrease in DSS.
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