© 2007 Foundation for Promotion of Cancer Research
Comparison of Time Trends in Oesophagus Cancer Incidence (1973–1997) in East Asia, Europe, and the USA, from Cancer Incidence in Five Continents Vols IV–VIII
Cancer Information Services and Surveillance Division Center for Cancer Control and Information Services National Cancer Center
Time trends of age-standardized rate (ASR) of oesophagus cancer incidence [ICD-10: oesophagus (C15)] were compared among 18 selected cancer registries and ethnic/racial groups in East Asia, Europe, and the USA. Data source was the Cancer Incidence in Five Continents Vols IV–VIII (years at diagnosis: 1973–77, 1978–82, 1983–87, 1988–92, and 1993–97, respectively). World population was used for age-standardization.
Figure 1 shows time trends of ASR of oesophagus cancer incidence for males.
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Miyagi (Japan) showed the highest ASRs in East Asia in 1993–97. Shanghai and Hong Kong (China) showed the highest ASRs from 1973 to 1987. ASRs in Miyagi, Nagasaki, and Osaka (Japan) showed increasing trend from 1970s to 1990s moderately. Bas-Rhin (France) showed the highest ASRs in Europe. ASRs in Bas-Rhin (France) showed increasing trend from 1973–77 to 1983–87 and then decreased. ASRs in South Thames (England) and Denmark showed increasing trend since 1978–82. SEER Black showed the highest ASRs in the USA. ASRs in the USA except for SEER White, Hawaii Japanese, and LA Japanese showed decreasing trend from 1988–92 to 1993–97. Figure 2 shows time trends of ASR of oesophagus cancer incidence for females. In East Asia, Shanghai and Hong Kong (China) showed higher ASRs than Miyagi, Nagasaki, and Osaka (Japan) during the overall study period. ASRs in Shanghai (China) showed decreasing trend from 1978 to 1982 dramatically. South Thames (England) and West Midlands (England) showed the highest ASRs in Europe. ASRs in South Thames (England) and Denmark showed increasing trend from 1970s to 1990s moderately. SEER Black showed the highest ASRs and except for ASRs in Hawaii Chinese showed decreasing trend since1978–82 in the USA.
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Note: Data were downloaded from IARC CANCER Mondial Statistical Information System (http://www-dep.iarc.fr/). Data of number of incidence and population for Vols IV–VIII were extracted from the file named CI5I-VIII_September_2005.ZIP and tabulated by the authors of this article. Periods of year at diagnosis were representative, and they included the following exceptions: the first period was 1975 for Shanghai (China), 1974–77 for Hong Kong (China), 1975–77 for Bas-Rhin (France), 1973–76 for West Midlands (England); the second period was 1979–82 for West Midlands (England); the first period (1976–77) of Varese (Italy) was excluded because there were no data for several age groups. Note that calculated incidence rates were values averaged across 5 years, which could have rounded rapid annual changes (a spike or drop). Responsibility for this presentation and interpretation lies with the authors of this article. LA, Los Angeles, SEER, Surveillance Epidemiology and End Results.
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