Socioeconomic and demographic factors contributing to outcomes in XXXX with primary @entity706 .

@entity395 @entity1 @entity5 @entity706
BACKGROUND: Primary @entity706 (PLB) is a @entity395 , comprising a malignant lymphoid infiltrate of bone. The goal of this study was to identify socioeconomic, demographic, and anatomic factors as prognostic indicators of survival for this disease using the Surveillance, Epidemiology, and End Results (SEER) database. METHODS: The SEER database was used to identify a study population of 692 @entity1 diagnosed with PLB in the United States from 1989 to 2003. Survival was analyzed using the Kaplan-Meier method, with effects of potential prognostic factors on survival analyzed using the log-rank test. Multivariable analysis was performed by Cox proportional hazards regression. RESULTS: The overall 5-year survival rate was 49.6%, with a 10-year survival rate of 30.2%. Median overall survival was 4.9 years (95% CI: 3.9, 6.1). In multivariable analysis, age (p<0.0001), marital status (p=0.006), and appendicular vs. @entity5 location (p=0.004) were found to be independent predictors of survival. CONCLUSIONS: This population-based study of PLB identified age, marital status, and @entity5 location as independent indicators of prognosis. This finding supports the clinical suspicion that an @entity5 location confers a better prognosis than an @entity5 location.
