Validation of a modified clinical risk score to predict cancer-specific survival for stage II colon cancer

Oliphant, R., Horgan, P. G. , Morrison, D. S. and McMillan, D. C. (2014) Validation of a modified clinical risk score to predict cancer-specific survival for stage II colon cancer. Cancer Medicine, (doi:10.1002/cam4.352)

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Publisher's URL: http://dx.doi.org/10.1002/cam4.352

Abstract

Many patients with stage II colon cancer will die of their disease despite curative surgery. Therefore, identification of patients at high risk of poor outcome after surgery for stage II colon cancer is desirable. This study aims to validate a clinical risk score to predict cancer-specific survival in patients undergoing surgery for stage II colon cancer. Patients undergoing surgery for stage II colon cancer in 16 hospitals in the West of Scotland between 2001 and 2004 were identified from a prospectively maintained regional clinical audit database. Overall and cancer-specific survival rates up to 5 years were calculated. A total of 871 patients were included. At 5 years, cancer-specific survival was 81.9% and overall survival was 65.6%. On multivariate analysis, age ≥75 years (hazard ratio (HR) 2.11, 95% confidence intervals (CI) 1.57–2.85; P<0.001) and emergency presentation (HR 1.97, 95% CI 1.43–2.70; P<0.001) were independently associated with cancer-specific survival. Age and mode of presentation HRs were added to form a clinical risk score of 0–2. The cancer-specific survival at 5 years for patients with a cumulative score 0 was 88.7%, 1 was 78.2% and 2 was 65.9%. These results validate a modified simple clinical risk score for patients undergoing surgery for stage II colon cancer. The combination of these two universally documented clinical factors provides a solid foundation for the examination of the impact of additional clinicopathological and treatment factors on overall and cancer-specific survival.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Horgan, Professor Paul and Oliphant, Mr Raymond and Morrison, Dr David and McMillan, Professor Donald
Authors: Oliphant, R., Horgan, P. G., Morrison, D. S., and McMillan, D. C.
College/School:College of Medical Veterinary and Life Sciences > Institute of Health and Wellbeing > Public Health
College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing
Journal Name:Cancer Medicine
Publisher:Wiley
ISSN:2045-7634
Copyright Holders:Copyright © 2014 The Authors
First Published:First published in Cancer Medicine 2014
Publisher Policy:Reproduced under a Creative Commons License

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