Capacidad pronóstica del PIV (pan-immune-inflammation value) en pacientes con carcinoma escamoso de cabeza y cuello

Abstract

Introduction

The pan-immune-inflammation value (PIV), an index that results from the following ratio: (neutrophils × monocytes × platelets) / lymphocytes, has been proposed as a prognostic biomarker in different tumor models. The aim of this study is to analyze the prognostic capacity of PIV in patients with head and neck squamous cell carcinoma.

Patients and methods

Retrospective study of 1,187 patients with head and neck squamous cell carcinoma treated at our center between 2000-2017. PIV value was obtained from an analysis performed within 3 weeks prior to the start of treatment.

Results

PIV value was significantly associated with toxic consumption (0.001), tumor location (0.0001), tumor extension (0.0001), and histological grade (0.016). Four categories were defined based on PIV value using a recursive partitioning analysis: category i: PIV < 136.3 (n = 118, 9.9%), category ii: PIV 136.3-451.1 (n = 594, 50.0%), category iii: PIV 451.1-1,141.2 (n = 357, 30.1%), and category iv: PIV > 1,141.2 (n = 118, 9.9%). A significant and ordered decrease in disease-specific survival was observed as the PIV category increased. This decrease in survival was independent of the type of treatment, tumor extension, or location of the primary tumor. The PIV category was an independent prognostic factor of disease-specific survival in a multivariable study.

Conclusions

PIV is a prognostic biomarker in patients with head and neck squamous cell carcinoma.