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J Surg Oncol. 2005 Sep 1;91(3):181-4.

Neutrophil-lymphocyte ratio as a prognostic factor in colorectal cancer.

Author information

1
Department of Colorectal Surgery, West Suffolk Hospital NHS Trust, UK. srwalsh@doctors.org.uk

Abstract

BACKGROUND AND OBJECTIVES:

Simple methods to identify colorectal cancer patients at risk of recurrence are needed. This study aimed to determine if neutrophil-to-lymphocyte ratio (NLR) predicts survival in colorectal cancer patients.

METHODS:

Two-hundred thirty patients diagnosed with colorectal cancer over a two-year period were identified from a prospectively maintained colorectal cancer database. NLR was calculated from pre-operative full blood counts. In the case of patients who did not undergo surgery, the full blood count from their out-patient visit was used. Known prognostic factors were recorded. Overall and cancer-specific survival were calculated.

RESULTS:

Pre-operative NLR greater than 5 correlated with overall and cancer-specific survival in univariate analyses. NLR was not independent of Dukes stage.

CONCLUSIONS:

Pre-operative NLR may represent a simple method of identifying colorectal cancer patients with a poor prognosis pre-operatively.

PMID:
16118772
DOI:
10.1002/jso.20329
[Indexed for MEDLINE]

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