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Pediatr Blood Cancer. 2018 Oct 23:e27501. doi: 10.1002/pbc.27501. [Epub ahead of print]

Racial and ethnic differences in survival of pediatric patients with brain and central nervous system cancer in the United States.

Author information

1
Epidemic Intelligence Service, Centers for Disease Control and Prevention, Atlanta, Georgia.
2
Division of Cancer Prevention and Control, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia.
3
DB Consulting Group, Inc., Atlanta, Georgia.

Abstract

BACKGROUND:

Brain and central nervous system (CNS) cancer is the leading cause of cancer death among children and adolescents in the United States. Data from earlier studies suggested racial and ethnic differences in survival among pediatric patients with brain tumor. This study examined racial/ethnic difference in survival using national data and considered the effects of demographic and clinical factors.

METHODS:

Using National Program of Cancer Registries data, 1-, 3-, and 5-year relative survival (cancer survival in the absence of other causes of death) was calculated for patients with brain and CNS cancer aged < 20 years diagnosed during 2001-2008 and followed up through 2013. Racial and ethnic differences in survival were measured by sex, age, economic status, stage, anatomic location, and histology. Adjusted racial and ethnic difference in 5-year cancer specific survival was estimated using multivariable Cox regression analysis.

RESULTS:

Using data from 11 302 patients, 5-year relative survival was 77.6% for non-Hispanic white patients, 69.8% for non-Hispanic black patients, and 72.9% for Hispanic patients. Differences in relative survival by race/ethnicity existed within all demographic groups. Based on multivariable analysis, non-Hispanic black patients had a higher risk of death at 5 years after diagnosis compared to non-Hispanic white patients (adjusted hazard ratio = 1.2, 95% confidence interval, 1.1-1.4).

CONCLUSIONS:

Pediatric brain and CNS cancer survival differed by race/ethnicity, with non-Hispanic black patients having a higher risk of death than non-Hispanic white patients. Future investigation of access to care, social and economic barriers, and host genetic factors might identify reasons for disparities in survival.

KEYWORDS:

CNS tumors; brain tumors; epidemiology; outcomes research; pediatric oncology; tumors (brain)

PMID:
30350913
DOI:
10.1002/pbc.27501

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