Abstract
Background: There is a dearth of accurate information about patterns of mortality of lymphoid neoplasms and temporal trend in China. In this nationwide mortality study, we aimed to assess the mortality of lymphoma and myeloma in 2017, and the changes of trend from 2004 to 2016. Methods: Death certificate data from the Chinese Center for Disease Control and Prevention's disease surveillance points system (CDC-DSP) and population data from the National Bureau of Statistics of China. We described the mortality of lymphoma and myeloma in 2017 by age group, sex, residence and region, and evaluated the temporal trend from 2004 to 2016 using joinpoint regression. Findings: An estimated 52,000 deaths associated with lymphoma and myeloma occurred in 2017. The age-standardized mortality rate China (ASMRC) and age-standardized mortality rate world (ASMRW) per 100,000 were 3.74 and 2.60, respectively. Males had higher ASMRC than females (4.54 vs. 2.91 per 100,000). The ASMRC in urban areas was significantly higher than that in rural areas (4.35 vs. 3.47 per 100,000). The age-specific mortality rate showed an upward trend with age and reached a maximum in the age group of over 85 years. In terms of regional variation, Eastern China had the highest mortality rate (3.43/100,000), followed by Central China (3.10/100,000) and Western China (3.02/100,000). The mortality rates of lymphoma and myeloma increased annually by 4.5% during the period 2004-2016, with a significant rapid upward trend in rural areas since 2007. Interpretation: The mortality of lymphoma and myeloma was increasing in China from 2004 to 2017. The rapid increase in disease burden in rural areas highlights new challenges for disease prevention and control strategies. Funding Statement: This research was supported by Capital’s Funds for Health Improvement and Research (Grant No. 2018-1-2151). Declaration of Interests: The authors declare no competing interests.
Highlights
There is a dearth of accurate information about patterns of mortality of lymphoid neoplasms and temporal trends in China
Expected deaths and mortality rates of lymphoma and myeloma in 2017 An estimated 52,000 deaths associated with lymphoma and myeloma occurred, and the crude mortality rate was 3.83 per 100,000 in 2017
Received: 19 December 2018 Accepted: 11 February 2019. This is the first study to present spatiotemporal variation in the mortality of lymphoma and myeloma in China using national data routinely collected from death certificates
Summary
There is a dearth of accurate information about patterns of mortality of lymphoid neoplasms and temporal trends in China. In this nationwide mortality study, we aimed to assess the mortality of lymphoma and myeloma in 2017 and the changes in the trend from 2004 to 2016. An understanding of mortality trends will help to direct future studies of disease control and prevention strategies. This analysis sought to determine the mortality rates of lymphoma and myeloma in 2017, as defined by the World Health Organization classification [1], in mainland China. This study reports trends in mortality rates for lymphoma and myeloma from 2004 to 2016
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