Childhood and adolescent cancer survival: a period analysis of data from the Canadian Cancer Registry |
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Authors: | Ellison Larry F Pogany Lisa Mery Leslie S |
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Affiliation: | Health Statistics Division, Statistics Canada, Room 2200 Main Building, 150 Tunney's Pasture Driveway, Ottawa, ON, Canada K1A 0T6. larry.ellison@statcan.ca |
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Abstract: | This study provides up-to-date estimates of childhood and adolescent (ages 0-19) cancer survival in Canada using data from the Canadian Cancer Registry (CCR). Cases were classified according to the third edition of the International Classification of Childhood Cancer classification scheme. Follow-up for vital status was determined through record linkage to the Canadian Mortality Data Base, and from information reported by provincial/territorial cancer registries. Observed survival proportions (OSPs) were based on period analysis (1999-2003). The 1-, 3- and 5-year OSPs for all cancers combined were 92%, 85% and 82%, respectively. Among diagnostic groups, five-year survival estimates were highest for retinoblastoma (99%), carcinomas and other malignant epithelial neoplasms and malignant melanomas (91%) and for renal tumours (91%); they were poorest for hepatic tumours (68%) and for malignant bone tumours (68%). Survival for childhood and adolescent cancer in Canada has improved substantially since last reported. |
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