Asian Pacific Journal of Cancer Prevention

Asian Pacific Journal of Cancer Prevention (아시아태평양암예방학회)
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Socio-economic Factors Affect the Outcome of Soft Tissue Sarcoma: an Analysis of SEER Data

  • Cheung, Min Rex (FROS Radiation Oncology Cyberknife Center of New York) ;
  • Kang, Josephine (FROS Radiation Oncology Cyberknife Center of New York) ;
  • Ouyang, Daniel (FROS Radiation Oncology Cyberknife Center of New York) ;
  • Yeung, Vincent (FROS Radiation Oncology Cyberknife Center of New York)
  • Published : 2014.01.15
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Abstract

Background: This study analyzed whether socio-economic factors affect the cause specific survival of soft tissue sarcoma (STS). Methods: Surveillance, Epidemiology and End Results (SEER) soft tissue sarcoma (STS) data were used to identify potential socio-economic disparities in outcome. Time to cause specific death was computed with Kaplan-Meier analysis. Kolmogorov-Smirnov tests and Cox proportional hazard analysis were used for univariate and multivariate tests, respectively. The areas under the receiver operating curve were computed for predictors for comparison. Results: There were 42,016 patients diagnosed STS from 1973 to 2009. The mean follow up time (S.D.) was 66.6 (81.3) months. Stage, site, grade were significant predictors by univariate tests. Race and rural-urban residence were also important predictors of outcome. These five factors were all statistically significant with Cox analysis. Rural and African-American patients had a 3-4% disadvantage in cause specific survival. Conclusions: Socio-economic factors influence cause specific survival of soft tissue sarcoma. Ensuring access to cancer care may eliminate the outcome disparities.

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References

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