Article Text


Epidemiology and policy
P1-301 A comparison of two methods to estimate the cancer incidence and mortality burden in China in 2005
  1. J S Ren1,
  2. W Q Chen2,
  3. H R Shin1,
  4. J Ferlay1,
  5. K Saika3,
  6. S W Zhang2,
  7. F Bray1
  1. 1International Agency for Research on Cancer, Lyon, France
  2. 2National Office for Cancer Prevention and Control, Beijing, China
  3. 3National Cancer Center, Tokyo, Japan


Introduction Knowledge of the cancer profile is an important step in planning rational cancer control programs and the evaluation of their impact. Due to rapid changes in cancer incidence over in China, national surveys may be insufficiently timely to provide adequate descriptions of the national burden.

Methods To evaluate the utility of cancer registries in describing the national cancer profile, this study compared two methods of estimating national cancer-specific incidence and mortality in China 2005, with estimates based on the Third National Death Survey (method I) compared with those based on registry material (method II).

Results A total of 2.6 million cancer cases and 1.8 million cancer deaths were estimated by method I, as compared to 2.8 million cancer cases and 1.9 million cancer deaths using method II.

Conclusion The higher level of burden using the latter method in part may be due to a sizable differential in the magnitude of incidence rates across registries for certain cancer sites. Most cancer registries were located in relatively more developed urban areas, or rural areas associated with higher risk for certain cancers. There are substantial differences in the cancer profile between urban and rural communities in China, and there may be concerns regarding the national representativeness of the data aggregated from this set of cancer registries. Timely and reliable estimation of cancer can only be realised if accurate information is available from cancer registries comprising representative samples of the country.

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