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ORIGINAL ARTICLE
Year : 2015  |  Volume : 11  |  Issue : 6  |  Page : 143-148

Laryngeal cancer incidence and mortality in China, 2010


1 Editorial Board of Journal of Chinese Oncology, Zhejiang Cancer Hospital, Hangzhou, Zhejiang Province, China
2 National Office for Cancer Prevention and Control, National Cancer Center, Beijing, China

Correspondence Address:
Wan-Qing Chen
National Office for Cancer Prevention and Control, National Cancer Center, Beijing
China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1482.168175

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Purpose: To analyze the incidence and mortality of laryngeal cancer in cancer registration areas of China in 2010. Materials and Methods: Until June 1, 2013, 219 population-based cancer registries submitted data of 2010 to the National Central Cancer Registry of China covering about 207,229,403 population, and 120 cancer registries were selected after quality evaluation for this analysis. Laryngeal cancer cases were selected from the database according to International Classification of Diseases 10th Revision coded as "C32." We calculated the crude incidence and mortality rates of laryngeal cancer by sex, age, and location (urban/rural). The China population in 2000 and Segi's population were used as standardized populations for the calculation of age-standardized rates. Results: In 2010, it was estimated that there were 20,272 new cases diagnosed as laryngeal cancer in China, including 17,703 males and 2569 females. The crude incidence rate of laryngeal cancer was 1.54/100,000 in 2010, accounting for 0.66% of overall new cancer cases. The age-standardized by China population (ASRcn) and by world population (ASRwld) were 1.18/100,000 and 1.20/100,000, respectively. Cumulative rate (0–74 years old) and truncated age-standardized rate (35–64 years old) were 0.15% and 1.98/100,000, respectively. Moreover, it was estimated that there were 11 914 cases died in laryngeal cancer in China, including 10,038 males and 1876 females. The crude mortality rate was 0.91/100,000, accounting for 0.61% of overall cancer deaths. The ASRcn and ASRwld were 0.68/100,000 and 0.69/100,000, respectively. Cumulative rate and truncated age-standardized rates were 0.08% and 0.88/100,000, respectively. Conclusions: Both incidence and mortality of laryngeal cancer in China were still low in 2010.


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