Demographic and Epidemiological Contributions to Recent Trends in Cancer Incidence in Hong Kong

Background: Hong Kong has an ageing Chinese population with high life expectancy and a rising number of cancer cases. While population ageing could lead to higher incidence, we aim to quantify the demographic and epidemiological contributions to this trend by disentangling the effect of these factor...

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Autores principales:	Irene Oi Ling Wong, Yan Ting Lam, Kwok Fai Lam, Benjamin John Cowling, Gabriel Matthew Leung
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	cancer incidence Chinese Neoplasms. Tumors. Oncology. Including cancer and carcinogens RC254-282
Acceso en línea:	https://doaj.org/article/829342769b51423ab4fad11a69b3f1d2
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spelling	oai:doaj.org-article:829342769b51423ab4fad11a69b3f1d22021-11-25T17:03:20ZDemographic and Epidemiological Contributions to Recent Trends in Cancer Incidence in Hong Kong10.3390/cancers132257272072-6694https://doaj.org/article/829342769b51423ab4fad11a69b3f1d22021-11-01T00:00:00Zhttps://www.mdpi.com/2072-6694/13/22/5727https://doaj.org/toc/2072-6694Background: Hong Kong has an ageing Chinese population with high life expectancy and a rising number of cancer cases. While population ageing could lead to higher incidence, we aim to quantify the demographic and epidemiological contributions to this trend by disentangling the effect of these factors. Methods: We analysed secular trends of cancer incidences of all cancer sites combined, including the five top cancers in men and women in Hong Kong in 1983–2017, by disentangling effects of demographics (ageing population and population growth) and cancer risk/rate change using the RiskDiff methodology. Results: Overall, age-standardised incidences of all cancers combined in women and in men declined over the study period (−5.3% for women, −30.2% for men), but total incident cancer case counts increased dramatically (156.5% for women, 96% for men). This increase was primarily due to ageing and increasing population (95% age, 66.1% growth for women, and 119.4% age, 25.4% growth for men), while disease risk for all cancers combined has a decreasing trend (−4.5% for women and −48.8% for men). For the site-specific risk changes among the most five common cancer types, there were increases in risks of prostate and colorectal cancers in men, and breast, endometrial, and thyroid cancers in women. Conclusion: Demographic changes and ageing in our Chinese population resulted in a marked increase in the number of cancer diagnoses in Hong Kong in past decades. The surge in incident case counts overall is expected to stress the healthcare system in terms of the increased demand of healthcare professionals. Cancer surveillance should be enhanced in view of the growing demand from older patients and the cancer types with fast-increasing incidence rates in our population.Irene Oi Ling WongYan Ting LamKwok Fai LamBenjamin John CowlingGabriel Matthew LeungMDPI AGarticlecancerincidenceChineseNeoplasms. Tumors. Oncology. Including cancer and carcinogensRC254-282ENCancers, Vol 13, Iss 5727, p 5727 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	cancer incidence Chinese Neoplasms. Tumors. Oncology. Including cancer and carcinogens RC254-282
spellingShingle	cancer incidence Chinese Neoplasms. Tumors. Oncology. Including cancer and carcinogens RC254-282 Irene Oi Ling Wong Yan Ting Lam Kwok Fai Lam Benjamin John Cowling Gabriel Matthew Leung Demographic and Epidemiological Contributions to Recent Trends in Cancer Incidence in Hong Kong
description	Background: Hong Kong has an ageing Chinese population with high life expectancy and a rising number of cancer cases. While population ageing could lead to higher incidence, we aim to quantify the demographic and epidemiological contributions to this trend by disentangling the effect of these factors. Methods: We analysed secular trends of cancer incidences of all cancer sites combined, including the five top cancers in men and women in Hong Kong in 1983–2017, by disentangling effects of demographics (ageing population and population growth) and cancer risk/rate change using the RiskDiff methodology. Results: Overall, age-standardised incidences of all cancers combined in women and in men declined over the study period (−5.3% for women, −30.2% for men), but total incident cancer case counts increased dramatically (156.5% for women, 96% for men). This increase was primarily due to ageing and increasing population (95% age, 66.1% growth for women, and 119.4% age, 25.4% growth for men), while disease risk for all cancers combined has a decreasing trend (−4.5% for women and −48.8% for men). For the site-specific risk changes among the most five common cancer types, there were increases in risks of prostate and colorectal cancers in men, and breast, endometrial, and thyroid cancers in women. Conclusion: Demographic changes and ageing in our Chinese population resulted in a marked increase in the number of cancer diagnoses in Hong Kong in past decades. The surge in incident case counts overall is expected to stress the healthcare system in terms of the increased demand of healthcare professionals. Cancer surveillance should be enhanced in view of the growing demand from older patients and the cancer types with fast-increasing incidence rates in our population.
format	article
author	Irene Oi Ling Wong Yan Ting Lam Kwok Fai Lam Benjamin John Cowling Gabriel Matthew Leung
author_facet	Irene Oi Ling Wong Yan Ting Lam Kwok Fai Lam Benjamin John Cowling Gabriel Matthew Leung
author_sort	Irene Oi Ling Wong
title	Demographic and Epidemiological Contributions to Recent Trends in Cancer Incidence in Hong Kong
title_short	Demographic and Epidemiological Contributions to Recent Trends in Cancer Incidence in Hong Kong
title_full	Demographic and Epidemiological Contributions to Recent Trends in Cancer Incidence in Hong Kong
title_fullStr	Demographic and Epidemiological Contributions to Recent Trends in Cancer Incidence in Hong Kong
title_full_unstemmed	Demographic and Epidemiological Contributions to Recent Trends in Cancer Incidence in Hong Kong
title_sort	demographic and epidemiological contributions to recent trends in cancer incidence in hong kong
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/829342769b51423ab4fad11a69b3f1d2
work_keys_str_mv	AT ireneoilingwong demographicandepidemiologicalcontributionstorecenttrendsincancerincidenceinhongkong AT yantinglam demographicandepidemiologicalcontributionstorecenttrendsincancerincidenceinhongkong AT kwokfailam demographicandepidemiologicalcontributionstorecenttrendsincancerincidenceinhongkong AT benjaminjohncowling demographicandepidemiologicalcontributionstorecenttrendsincancerincidenceinhongkong AT gabrielmatthewleung demographicandepidemiologicalcontributionstorecenttrendsincancerincidenceinhongkong
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Demographic and Epidemiological Contributions to Recent Trends in Cancer Incidence in Hong Kong

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