The prognostic value of systemic inflammation in patients undergoing surgery for colon cancer: comparison of composite ratios and cumulative scores

Dolan, R. D. , McSorley, S. T. , Park, J. H. , Watt, D. G. , Roxburgh, C. S. , Horgan, P. G. and McMillan, D. C. (2018) The prognostic value of systemic inflammation in patients undergoing surgery for colon cancer: comparison of composite ratios and cumulative scores. British Journal of Cancer, 119(1), pp. 40-51. (doi: 10.1038/s41416-018-0095-9) (PMID:29789606)

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Introduction: The systemic inflammatory response has been proven to have a prognostic value. There are two methods of assessing the systemic inflammatory response composite ratios (R) and cumulative scores (S). The aim of this study was to compare the prognostic value of ratios and scores in patients undergoing surgery for colon cancer. Methods: Patients were identified prospectively in a single surgical unit. Preoperative neutrophil (N), lymphocyte (L), monocyte (M) and platelet (P) counts, CRP (C) and albumin (A) levels were recorded. The relationship between composite ratios neutrophil–lymphocyte ratio (NLR), platelet–lymphocyte ratio (PLR), lymphocyte–monocyte ratio (LMR), C-reactive protein albumin ratio (CAR) and the cumulative scores neutrophil– lymphocyte score (NLS), platelet–lymphocyte score (PLS), lymphocyte–monocyte score (LMS), neutrophil– platelet score (NPS), modified Glasgow prognostic score (mGPS) and clinicopathological characteristics, cancer-specific survival (CSS) and overall survival (OS), were examined. Results: A total of 801 patients were examined. When adjusted for tumour node metastasis (TNM) stage, NLR >5 (p < 0.001), NLS (p < 0.01), PLS (p < 0.001), LMR <2.4 (p < 0.001), LMS (p < 0.001), NPS (p < 0.001), CAR >0.22 (p < 0.001) and mGPS (p < 0.001) were significantly associated with CSS. In patients undergoing elective surgery (n = 689), the majority of the composite ratios/scores correlated with age (p < 0.01), BMI (p < 0.01), T stage (p < 0.01), venous invasion (p < 0.01) and peritoneal involvement (p < 0.01). When NPS (myeloid) and mGPS (liver) were directly compared, their relationship with CSS and OS was similar. Conclusions: Both composite ratios and cumulative scores had prognostic value, independent of TNM stage, in patients with colon cancer. However, cumulative scores, based on normal reference ranges, are simpler and more consistent for clinical use.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Park, Mr James and Horgan, Professor Paul and McMillan, Professor Donald and Watt, David and Roxburgh, Professor Campbell and McSorley, Dr Stephen and Dolan, Dr Ross
Authors: Dolan, R. D., McSorley, S. T., Park, J. H., Watt, D. G., Roxburgh, C. S., Horgan, P. G., and McMillan, D. C.
College/School:College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing
Journal Name:British Journal of Cancer
Publisher:Nature Publishing Group
ISSN (Online):1532-1827
Published Online:23 May 2018
Copyright Holders:Copyright © 2018 Cancer Research UK
First Published:First published in British Journal of Cancer 119(1): 40-51
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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