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Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery
Published on: September 27, 2024
An update on cancer survival.
Larry F Ellison1, Kathryn Wilkins
1Health Statistics Division, Statistics Canada, Ottawa, Ontario, K1A 0T6. Larry.Ellison@statcan.gc.ca
Health Reports
|October 27, 2010
Summary
Canadian cancer survival rates show improvement, with a 62% five-year relative survival ratio for cases diagnosed 2004-2006. Survival varied significantly by cancer type and age, but trends indicate positive progress for many malignancies.
Area of Science:
- Oncology
- Biostatistics
- Public Health
Background:
- Statistics Canada regularly provides cancer survival estimates.
- Previous estimates were based on cancer cases diagnosed between 1992 and 2000.
Purpose of the Study:
- To provide updated cancer survival estimates for more recently diagnosed cases.
- To calculate cancer- and age-specific relative survival ratios for 2004-2006.
Main Methods:
- Utilized data from the Canadian Cancer Registry.
- Linked registry data with Canadian Vital Statistics Death Data Base records.
- Calculated five-year relative survival ratios (RSR).
Main Results:
- The overall five-year RSR for all cancers combined was 62% for cases diagnosed 2004-2006.
- Survival ranged widely, from 6% for pancreatic cancer to 98% for thyroid cancer.
- Significant improvements in RSR were observed for non-Hodgkin lymphoma, leukemia, and liver cancer between 1992-1994 and 2004-2006.
Conclusions:
- Cancer survival rates in Canada have shown improvement for several cancer types.
- Relative survival ratios vary substantially by cancer type and patient age.
- Continued monitoring of cancer survival trends is essential for public health.
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