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Title: Cancer survival in Africa, Asia, and Central America: a population-based study
Authors: Rengaswamy Sankaranarayanan
Rajaraman Swaminathan
Hermann Brenner
Kexin Chen
Kee Seng Chia
Jian Guo Chen
Stephen CK Law
Yoon Ok Ahn
Yong Bing Xiang
Balakrishna B. Yeole
Hai Rim Shin
Viswanathan Shanta
Ze Hong Woo
Nimit Martin
Yupa Sumitsawan
Hutcha Sriplung
Adolfo Ortiz Barboza
Sultan Eser
Bhagwan M. Nene
Krittika Suwanrungruang
Padmavathiamma Jayalekshmi
Rajesh Dikshit
Henry Wabinga
Divina B. Esteban
Adriano Laudico
Yasmin Bhurgri
Ebrima Bah
Nasser Al-Hamdan
Keywords: Medicine
Issue Date: 1-Feb-2010
Abstract: Background: Population-based cancer survival data, a key indicator for monitoring progress against cancer, are not widely available from countries in Africa, Asia, and Central America. The aim of this study is to describe and discuss cancer survival in these regions. Methods: Survival analysis was done for 341 658 patients diagnosed with various cancers from 1990 to 2001 and followed up to 2003, from 25 population-based cancer registries in 12 countries in sub-Saharan Africa (The Gambia, Uganda), Central America (Costa Rica), and Asia (China, India, Pakistan, Philippines, Saudi Arabia, Singapore, South Korea, Thailand, Turkey). 5-year age-standardised relative survival (ASRS) and observed survival by clinical extent of disease were determined. Findings: For cancers in which prognosis depends on stage at diagnosis, survival was highest in China, South Korea, Singapore, and Turkey and lowest in Uganda and The Gambia. 5-year ASRS ranged from 76-82% for breast cancer, 63-79% for cervical cancer, 71-78% for bladder cancer, and 44-60% for large-bowel cancers in China, Singapore, South Korea, and Turkey. Survival did not exceed 22% for any cancer site in The Gambia; in Uganda, survival did not exceed 13% for any cancer site except breast (46%). Variations in survival correlated with early detection initiatives and level of development of health services. Interpretation: The wide variation in cancer survival between regions emphasises the need for urgent investments in improving awareness, population-based cancer registration, early detection programmes, health-services infrastructure, and human resources. Funding: Association for International Cancer Research (AICR; St Andrews, UK), Association pour la Recherche sur le Cancer (ARC, Villejuif, France), and the Bill & Melinda Gates Foundation (Seattle, USA). © 2010 Elsevier Ltd. All rights reserved.
ISSN: 14702045
Appears in Collections:CMUL: Journal Articles

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