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Published in: World Journal of Surgical Oncology 1/2012

Open Access 01-12-2012 | Research

Effect of pretreatment clinical factors on overall survival in glioblastoma multiforme: a Surveillance Epidemiology and End Results (SEER) population analysis

Authors: Sudheer R Thumma, Robert K Fairbanks, Wayne T Lamoreaux, Alexander R Mackay, John J Demakas, Barton S Cooke, Ameer L Elaimy, Peter W Hanson, Christopher M Lee

Published in: World Journal of Surgical Oncology | Issue 1/2012

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Abstract

Background

Glioblastoma Multiforme (GBM) is one of the most aggressive primary brain tumors and is associated with a dismal prognosis. The median survival after the primary diagnosis remains poor, even after multimodal treatment approaches. However, a few patients have been reported to have long term survival greater than three years. A number of studies have attempted to define factors capable of predicting long term outcomes in specific patient groups. This article reports the outcomes of a very large group of patients diagnosed with GBM, and analyzes specific prognostic factors known to influence survival in these patients.

Methods

We used the Surveillance, Epidemiology, and End Results (SEER) database of the US National Cancer Institute (NCI) to investigate various patient-related and treatment- related factors that could influence the long term survival in patients diagnosed with glioblastoma. A total of 34,664 patients aged 20 years or older with a diagnosis of GBM during the years 1973 to 2008 were studied. Overall survival outcomes were examined with Kaplan-Meier survival analysis and Cox hazard models.

Results

Asian/Pacific Islanders had a better survival compared to the white population (P = <0.001). Patients diagnosed with GBM during the years 2000 to 2008 had a superior survival rate when compared with earlier decades (P = <0 .001). Statistically significant improvements in overall survival were also found for patients who received surgical resections, and adjuvant radiation treatment versus no radiation (P-values <0.001). Young age was also found to be highly predictive of improved overall survival rates when separated into age groups as well as when studied as a continuous variable.

Conclusions

Clinical pretreatment and treatment factors, including young age at diagnosis, Asian/Pacific Islander ethnicity, recent year of diagnosis, surgical resection and the use of adjuvant radiation therapy favorably influence survival in patients diagnosed with glioblastoma.

Trial Registration

All data were obtained from the United States Surveillance Epidemiology and End Results (SEER) database.
Appendix
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Metadata
Title
Effect of pretreatment clinical factors on overall survival in glioblastoma multiforme: a Surveillance Epidemiology and End Results (SEER) population analysis
Authors
Sudheer R Thumma
Robert K Fairbanks
Wayne T Lamoreaux
Alexander R Mackay
John J Demakas
Barton S Cooke
Ameer L Elaimy
Peter W Hanson
Christopher M Lee
Publication date
01-12-2012
Publisher
BioMed Central
Published in
World Journal of Surgical Oncology / Issue 1/2012
Electronic ISSN: 1477-7819
DOI
https://doi.org/10.1186/1477-7819-10-75

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