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Published in: BMC Cancer 1/2015

Open Access 01-12-2015 | Research article

Pre-treatment neutrophil to lymphocyte ratio may be a useful tool in predicting survival in early triple negative breast cancer patients

Authors: Mirco Pistelli, Mariagrazia De Lisa, Zelmira Ballatore, Miriam Caramanti, Alessandra Pagliacci, Nicola Battelli, Francesca Ridolfi, Matteo Santoni, Elena Maccaroni, Raffaella Bracci, Alfredo Santinelli, Tommasina Biscotti, Rossana Berardi, Stefano Cascinu

Published in: BMC Cancer | Issue 1/2015

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Abstract

Background

There is a growing body of evidence that immune response plays a large role in cancer outcome. The neutrophil to lymphocyte ratio (NLR) has been used as a simple parameter of systemic inflammation in several tumors. The purpose was to investigate the association between pre-treatment NLR, disease-free survival and overall survival in patients with early triple negative breast cancer (TNBC).

Methods

We reviewed the records of patients with stage I-III TNBC at our Institution from 2006 to 2012. The association between pre-treatment NLR and survival was analyzed. The difference among variables was calculated by chi-square test. DFS and OS were estimated using Kaplan-Meier method. Cox analysis was performed to analyze clinical parameters for their prognostic relevance.

Results

A total of 90 patients were eligible. There was no significant correlation among pre-treatment NLR and various clinical pathological factors. Patients with NLR higher than 3 showed significantly lower DFS (p = 0.002) and OS (p = 0.009) than patients with NLR equal or lower than 3. The Cox proportional multivariate hazard model revealed that higher pre-treatment NLR was independently correlated with poor DFS and OS, with hazard ratio 5.15 (95% confidence interval [CI] 1.11-23.88, p = 0.03) and 6.16 (95% CI 1.54-24.66, p = 0.01) respectively.

Conclusion

Our study suggests that pre-treatment NLR may be associated with DFS and OS patients with early TNBC. Further validation and a feasibility study are required before it can be considered for clinical use.
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Metadata
Title
Pre-treatment neutrophil to lymphocyte ratio may be a useful tool in predicting survival in early triple negative breast cancer patients
Authors
Mirco Pistelli
Mariagrazia De Lisa
Zelmira Ballatore
Miriam Caramanti
Alessandra Pagliacci
Nicola Battelli
Francesca Ridolfi
Matteo Santoni
Elena Maccaroni
Raffaella Bracci
Alfredo Santinelli
Tommasina Biscotti
Rossana Berardi
Stefano Cascinu
Publication date
01-12-2015
Publisher
BioMed Central
Published in
BMC Cancer / Issue 1/2015
Electronic ISSN: 1471-2407
DOI
https://doi.org/10.1186/s12885-015-1204-2

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