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Adolescents and Young Adults with Acute Lymphoblastic Leukemia and Acute Myeloid Leukemia: Impact of Care at Specialized Cancer Centers on Survival Outcome
Adolescents and young adults (AYA; 15-39 years) with acute lymphoblastic leukemia (ALL) and acute myeloid leukemia (AML) experience inferior survival when compared with children. Impact of care at NCI-designated Comprehensive Cancer Centers (CCC) or Children's Oncology Group sites (COG) on surv...
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Published in: | Cancer epidemiology, biomarkers & prevention biomarkers & prevention, 2017-03, Vol.26 (3), p.312-320 |
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Main Authors: | , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Adolescents and young adults (AYA; 15-39 years) with acute lymphoblastic leukemia (ALL) and acute myeloid leukemia (AML) experience inferior survival when compared with children. Impact of care at NCI-designated Comprehensive Cancer Centers (CCC) or Children's Oncology Group sites (COG) on survival disparities remains unstudied.
Using the Los Angeles cancer registry, we identified 1,870 ALL or AML patients between 1 and 39 years at diagnosis. Cox regression analyses assessed risk of mortality; younger age + CCC/COG served as the referent group. Logistic regression was used to determine odds of care at CCC/COG, adjusting for variables above.
ALL outcome: AYAs at non-CCC/COG experienced inferior survival (15-21 years: HR = 1.9,
= 0.005; 22-29 years: HR = 2.6,
< 0.001; 30-39 years: HR = 3.0,
< 0.001). Outcome at CCC/COG was comparable between children and young AYAs (15-21 years: HR = 1.3,
= 0.3; 22-29 years: HR = 1.2,
= 0.2) but was inferior for 30- to 39-year-olds (HR = 3.4,
< 0.001). AML outcome: AYAs at non-CCC/COG experienced inferior outcome (15-21 years: HR = 1.8,
= 0.02; 22-39 years: HR = 1.4,
= 0.06). Outcome at CCC/COG was comparable between children and 15- to 21-year-olds (HR = 1.3,
= 0.4) but was inferior for 22- to 39-year-olds (HR = 1.7,
= 0.05). Access: 15- to 21-year-olds were less likely to use CCC/COG than children (
< 0.001). In 22- to 39-year-olds, public/uninsured (ALL:
= 0.004; AML |
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ISSN: | 1055-9965 1538-7755 |
DOI: | 10.1158/1055-9965.EPI-16-0722 |