Abstract
Socioeconomic status (SES) and its association with cancer in general have been thoroughly studied in the last decades. Several studies have shown associations between SES and many types of cancer such as lung cancer, breast cancer, and prostate cancer. For gliomas, no clear occupational or exposure risk factors have been identified, although some possible risk factors such as use of cellular telephone are still controversial. The aim in the present study is to analyze whether there is an association between SES and development of brain cancer. Data from 1999 through 2013 were collected from the Swedish Cancer Registry and from the National Statistics of Sweden. Age-standardized incidence rates for people with different income were calculated using linear regression model. A total of 11,892 patients were included, of which 5675 were meningiomas, 1216 low-grade gliomas, and 5001 high-grade gliomas. No clear trend between increasing incidence rates and higher income was seen in neither of the investigated brain tumor histologies. In conclusion, the results should be interpreted with caution, but there does not seem to be a correlation in this material between increased income and development of brain cancer.
Highlights
Primary central nervous system tumors (CNST) are classified into a four-point scale according to the 2007 WHO classification based on histopathology [1]
A total of 11,892 patients were included in the analysis, of which 5675 were meningiomas, 1216 low-grade gliomas (LGG), and 5001 high-grade gliomas (HGG)
LGG, and HGG, the majority of patients had an income of 100–199 tkr: 4078, 923, and 3599, respectively
Summary
Primary central nervous system tumors (CNST) are classified into a four-point scale according to the 2007 WHO classification based on histopathology [1]. By clinical means, this grading system is an important tool to decide choice of therapy. 2, Box 6909, 102 39 Stockholm, Sweden. Meningiomas on the other hand are brain tumors that arise from the meninges of the brain and account for approximately one-third of all intracranial brain tumors in adults. They are discovered by chance, and surgical resection is used to get histopathological diagnosis and tumor removal [3]
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