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Cancer Commun (Lond). 2018 Dec 29;38(1):75. doi: 10.1186/s40880-018-0345-5.

Incidence, mortality, and temporal patterns of oropharyngeal cancer in China: a population-based study.

Author information

1
Department of Chronic Non-Communicable Diseases Prevention, Jiangxi Province Center for Disease Control and Prevention, Nanchang, Jiangxi, 330029, P. R. China.
2
The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 330006, P. R. China.
3
Office of Cancer Screening, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
4
Office of Cancer Screening, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China. chenwq@cicams.ac.cn.

Abstract

BACKGROUND:

Thus far, the incidence, mortality, and temporal trend data of oropharyngeal cancers (OPC) in China were few. We estimated the incidence, mortality, and temporal patterns of OPC in China during 2008-2012 according to the data from 135 population-based cancer registries to better understand the epidemiological pattern of OPC and to provide more precise information for OPC control in China.

METHODS:

According to the data of diagnosed OPC reported to 135 cancer registries during 2008-2012, we calculated age-standardized rate of incidence and mortality by 2000 Chinese standard population (ASRIC and ASRMC) and by 1985 Segi's world standard population (ASRIW and ASRMW) by age, sex, and geographic regions; annual percentage changes of OPC incidence and mortality were calculated using Joinpoint trend analysis.

RESULTS:

ASRIW and ASRMW were 2.22/100,000 person-years and 0.94/100,000 person-years, respectively. The incidence and mortality in urban areas were higher than those in rural areas. ASRIC and ASRIW of males were higher than those of females. The overall ASRIC of OPC was significantly increased by 6.2% annually between 2003 and 2006 (P = 0.038), but remained stable between 2007 and 2012 (P = 0.392). ASRIC and ASRMC of males and in rural areas were significantly increased in the last decade (P < 0.05), but the rates of females remained stable during the same period (P > 0.05).

CONCLUSIONS:

Across multiple cancer registries in China, there was an obvious increase in OPC in the recent decade, especially for incidence and mortality of males and in rural areas, whereas the rates of females remained stable. A healthy lifestyle should be advocated and early diagnosis and early treatment of OPC should be enhanced.

KEYWORDS:

Annual percentage change; China; Incidence; Mortality; Oropharyngeal cancer

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