Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Δευτέρα 22 Ιανουαρίου 2018

Neutrophil-to-lymphocyte ratio in head and neck cancer prognosis: A systematic review and meta-analysis

Abstract

Background

Hematologic markers, such as the neutrophil-to-lymphocyte ratio (NLR), characterize the inflammatory response to cancer and are associated with poorer survival in various malignancies. We evaluate the effect of pretreatment NLR on overall survival (OS) in patients with head and neck squamous cell carcinoma (HNSCC).

Methods

Using multiple databases, a systematic search for articles evaluating the effect of NLR on OS in patients with HNSCC was performed. An inverse variation, random-effects model was used to analyze the data.

Results

A total of 24 of 241 articles, including 6479 patients, were analyzed. The combined hazard ratio for OS in patients with an elevated NLR (range 2.04-5) was 1.78 (confidence interval [CI] 1.53-2.07; P < .0001). The hazard ratios for site-specific cancer: oral cavity 1.56 CI 1.23-1.98 (P < .001), nasopharynx 1.66 CI 1.35-2.04 (P < .001), larynx 1.55 CI 1.26-1.92 (P < .001), and hypopharynx 2.36 CI 1.54-3.61 (P < .001).

Conclusion

An elevated NLR is predictive of poorer OS in patients with HNSCC.



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