Cancer incidence rates among South Asians in four geographic regions: India, Singapore, UK and US


Rastogi, T; Devesa, S; Mangtani, P; Mathew, A; Cooper, N; Kao, R; Sinha, R; (2008) Cancer incidence rates among South Asians in four geographic regions: India, Singapore, UK and US. International journal of epidemiology, 37 (1). pp. 147-160. ISSN 0300-5771 DOI: 10.1093/ije/dym219

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Abstract

Background Data are limited regarding cancer incidence among Indians residing in different geographic regions around the world. Examining such rates may provide us with insights into future aetiological research possibilities as well as screening and prevention. Methods Incidence rates for all cancers combined and 19 specific cancers were obtained for India from Globocan 2002, for Indians in Singapore from Cancer Incidence in Five Continents (VIII), and from national data sources for South Asians (SA) in the United Kingdom (UK) and for Asian Indians/Pakistanis (AIP) and whites in the United States (US). Results We observed the lowest total cancer incidence rates in India (111 and 116 per 100 000 among males and females, respectively, age-standardized to the 1960 world population) and the highest among US whites (362 and 296). Cancer incidence rates among Indians residing outside of India were: intermediate Singapore (102 and 132), UK (173 and 179) and US ranges 152176 and 142164. A similar pattern was observed for cancers of the colorectum, prostate, thyroid, pancreas, lung, breast and non-Hodgkin lymphoma. In contrast, rates for cancers of the oral cavity, oesophagus, larynx and cervix uteri were highest in India. Although little geographic variability was apparent for stomach cancer incidence, Indians in Singapore had the highest rates compared with any other region. The UK SA and the US AIP appear with adopt the cancer patterns of their host country. Conclusions Variations in environmental exposures such as tobacco use, diet and infection, as well as better health care access and knowledge may explain some of the observed incidence differences.

Item Type: Article
Keywords: Asian Continental Ancestry Group, statistics & numerical data, Emigration and Immigration, statistics & numerical data, European Continental Ancestry Group, statistics & numerical data, Female, Great Britain, epidemiology, Humans, India, epidemiology, Male, Neoplasms, epidemiology, ethnology, pathology, Prevalence, Risk Assessment, Sex Distribution, Singapore, epidemiology, Survival Rate, United States
Faculty and Department: Faculty of Epidemiology and Population Health > Dept of Infectious Disease Epidemiology
Research Centre: Cancer Survival Group
PubMed ID: 18094016
Web of Science ID: 252906600025
URI: http://researchonline.lshtm.ac.uk/id/eprint/7895

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