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. 2021 Mar;62(3):581-589.
doi: 10.1080/10428194.2020.1839656. Epub 2020 Oct 28.

Racial and ethnic differences in diffuse large B-cell lymphoma survival among an underserved, urban population

Deanna Blansky  1 , Melissa Fazzari  1 , Ioannis Mantzaris  2 , Thomas Rohan  1 , H Dean Hosgood  1
Affiliations

Racial and ethnic differences in diffuse large B-cell lymphoma survival among an underserved, urban population

Deanna Blansky et al. Leuk Lymphoma. 2021 Mar.

Abstract

Racial/ethnic differences in diffuse large B-cell lymphoma (DLBCL) survival have focused on non-Hispanic Whites (NHW) and non-Hispanic Blacks (NHB), often excluding Hispanics/Latinos. To further assess these racial/ethnic survival differences, we identified incident DLBCL cases diagnosed between 2005 and 2016 (n = 404; NHW = 136, NHB = 106, Hispanic/Latino = 162) at Montefiore Medical Center (Bronx, NY). All-cause mortality survival curves were assessed by the Kaplan-Meier method and log-rank test. Cox proportional hazards regression assessed the association between demographic/clinical factors and all-cause mortality. Hispanic/Latino patients experienced 52% lower risk of mortality compared to NHWs (HR = 0.48, 95%CI = 0.28-0.83), after adjusting for clinical prognostic factors. This reduced risk experienced by Hispanics/Latinos was similarly observed by age at diagnosis (≤60 years, >60 years), stage (I/II, III/IV), and receipt of chemotherapy. NHBs and NHWs experienced similar risk of mortality (HR = 0.85, 95%CI = 0.52-1.40). Overall, among DLBCL patients, Hispanics/Latinos had improved survival compared to NHWs. Additional research should seek to identify the drivers of this survival benefit.

Keywords: Diffuse large B-cell lymphoma; epidemiology; non-Hodgkin lymphoma; race/ethnicity.

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Figures

Figure 1:
Figure 1:
Differences in Diffuse Large B-Cell Lymphoma survival by race and ethnicity at Montefiore Medical Center, Bronx NY.
See this image and copyright information in PMC

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