Abstract
We evaluated whether socioeconomic status (SES), race/ethnicity, and their interaction were associated with the presentation of advanced stage at diagnosis in embryonal tumors. Children 0 to 19 years of age diagnosed with embryonal tumors between 2006 and 2018 were identified from the US Surveillance, Epidemiology, and End Results program database specialized with Census Tract SES/Rurality. SES quintile was derived from a composite index for census tracts. We performed logistic regression to estimate odds ratios (ORs) and 95% confidence intervals by SES and race/ethnicity, adjusting for sex, age, and diagnosis year. Overall, no significant associations were found between either SES or race/ethnicity and the risk of presenting with advanced stage at diagnosis, although patterns of risk reductions were observed in atypical teratoid/rhabdoid tumors and embryonal rhabdomyosarcoma with increasing SES. In the stratified analysis, decreased odds of presenting with advanced-stage embryonal rhabdomyosarcoma were observed for Hispanics with higher SES (OR: 0.24, 95% Confidence Interval: 0.08-0.75) compared with Hispanics with lower SES. Future studies incorporating individual-level SES, cancer-specific staging information, and potential demographic, clinical, epidemiological, and genetic risk factors are warranted to confirm our findings.
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