The Association of Anemia and High Neutrophil-Lymphocyte Ratio with Decreased Survival in Patients with Laryngeal Cancer Treated with Radiotherapy

Aims: We aimed to examine the prognostic value of inflammatory markers such as neutrophil‐to‐lymphocyte ratio (NLR), platelet‐to‐lymphocyte ratio (PLR), systemic immune-inflammation index (SII), and anemia on oncological outcomes in patients with laryngeal squamous cell carcinomas (LSCC) treated with radiotherapy. Methods: 213 LSCC patients analyzed retrospectively. Inflammatory markers were established by examining blood samples taken within 7 days before treatment. Patients were categorized into two groups: low and high according to NLR, PLR, and SII threshold values. In addition, to evaluate the effect of hemoglobin (Hb) level, the threshold value of each inflammatory marker and Hb level were combined, and 3 groups were formed (3 groups for NLR, 3 groups for PLR, and 3 groups for SII). The relationship between inflammatory markers and overall survival (OS), disease-free survival (DFS), and local regional recurrence-free survival (LRRFS) was investigated. Results: In univariate analysis, high NLR, PLR, SII, and low Hb (