Prognostic value of neutrophil-to-lymphocyte ratio in older patients with head and neck cancer.

Neutrophil-to-lymphocyte ratio (NLR), may predict treatment response and outcomes in some human malignancies. However, NLR has rarely been examined in older patients with head and neck squamous cell carcinoma (HNSCC). This study evaluated factors, including pre-treatment evaluation tests, predictive of mortality in older patients with HNSCC. This study prospectively enrolled 233 consecutive HNSCC patients aged 65 years or older. Pre-treatment evaluations included patient demographics, comorbidity, body weight loss, voice handicap index, dysphagia, Beck's depression inventory, comprehensive geriatric assessment, and circulating biomarkers. Cumulative incidence and cause-specific hazard functions were used to analyse the risk factors for overall mortality (OM), cancer mortality (CM), and non-cancer mortality (NCM). Multivariate analyses showed that age, performance scale, NLR, and nodal stage were independent predictors of OM and CM (all P < .05). Age, body weight loss, frailty, and NLR were independent predictors of NCM (all P < .05). Older age ≥ 75 years and NLR showed strong association with all OM, CM, and NCM (all P < .05). NLR >2.5 was related to a higher risk of OM (hazard ratio [HR] = 1.77, 95% confidence interval [CI]: 1.05-2.97, P = .031), CM (HR = 1.89, 95% CI: 1.09-3.29, P = .023), and NCM (HR = 6.29, 95% CI: 2.16-18.37, P = .001). Cancer and non-cancer mortalities among older patients with HNSCC may be predicted by several clinical and haematological data. NLR might be used as a circulating prognostic marker for mortality in older patients with HNSCC.

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