Recent improvement in survival of patients with multiple myeloma: variation by ethnicity

Dianne Pulte, Maria Theresa Redaniel, Hermann Brenner, Lina Jansen, Mona Jeffreys

Research output: Contribution to journalArticle (Academic Journal)

55 Citations (Scopus)

Abstract

Abstract Survival for patients with multiple myeloma has increased during the first decade of the 21(st) century. However, it is unknown whether the improvements in survival have extended equally all ethnic groups. Using data from the United States Surveillance, Epidemiology and End Results Program, we assessed trends in survival and disease-related mortality for patients with myeloma by ethnic group, including non-Hispanic whites (nHw), African-Americans (AA), Hispanics, and people of Asian/Pacific Islander descent (API) from 1998-2001 to 2006-09. Overall, age adjusted five-year relative survival increased, from 35.6% in 1998-2001 to 44% in 2006-2009. The greatest improvements were observed for patients 15-49, for whom survival increased by +16.8% units for nHw and +14.4% units for AA, whereas improvement was less pronounced and not statistically significant in Hispanics and API. Excess mortality hazard ratios were 1.20 (95% Confidence Intervals, 95% CI: 1.09-1.33) for AA and 1.25 (95% CI: 1.11-1.41) for Hispanics compared to nHw in 2006-09. Although survival increased greatly for nHw with myeloma between1998-2001 and 2006-09, smaller increases were observed for people of other ethnic groups. Persistent excess mortality was seen for AA and Hispanic patients with myeloma. Ethnic inequalities persisted or even increased from earlier periods to 2006-09. The results suggest that ethnic minorities may not have benefitted from newer treatments to the same extent as nHw patients have.
Original languageEnglish
JournalLeukemia and Lymphoma
DOIs
Publication statusPublished - 24 Jul 2013

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