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Temporal trends in the incidence rates of keratinocyte carcinomas from 1978 to 2018 in Tasmania, Australia: a population‑based study
Silva Ragaini, B and Blizzard, L and Newman, L and Stokes, B and Albion, T and Venn, A, Temporal trends in the incidence rates of keratinocyte carcinomas from 1978 to 2018 in Tasmania, Australia: a population‑based study, Discover Oncology, 12 ISSN 1868-8497 (2021) [Refereed Article]
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Objectives: We described incidence trends of keratinocyte carcinomas (KCs)—namely basal cell carcinoma (BCC) and squamous cell carcinoma (SCC)—in the Australian state of Tasmania.
Methods: We identified histologically confirmed KCs within the Tasmanian Cancer Registry (TCR) and conducted assessments to ensure data quality. Age-standardised incidence rates were calculated for first (1985–2018) and annual KCs (1978–2018). Average annual percentage changes were computed using Joinpoint regression models.
Results: The TCR is a reliable source of KC data. A total of 83,536 people were registered with a KC between 1978 and 2018. Age-standardised incidence rates of first KCs increased on average by 3% per annum for BCCs and 4% per annum for SCCs, reaching 363/100,000 and 249/100,000 in 2018, respectively. Age-standardised incidence rates of annual KCs increased on average by 5% per annum for BCCs and 6% per annum for SCCs, up to 891/100,000 and 514/100,000 in 2018, respectively. This increase was steeper for females than males and highest during the late 1980s and early 1990s. A change in trend around 2014 suggested that incidence rates have started to decline.
Conclusion: While the incidence of KCs in Tasmania increased substantially over 41 years, rates have recently plateaued and started to decline. The findings may reflect changes in sun exposure behaviours due to awareness campaigns, but high incidence rates in 2018 indicate that KCs still pose a substantial burden to this population.
|Item Type:||Refereed Article|
|Keywords:||keratinocyte carcinoma, basal cell carcinoma, squamous cell carcinoma, non-melanoma skin cancer, incidence|
|Research Division:||Health Sciences|
|Research Field:||Disease surveillance|
|Objective Group:||Public health (excl. specific population health)|
|Objective Field:||Public health (excl. specific population health) not elsewhere classified|
|UTAS Author:||Silva Ragaini, B (Ms Bruna Silva Ragaini)|
|UTAS Author:||Blizzard, L (Professor Leigh Blizzard)|
|UTAS Author:||Stokes, B (Mr Brian Stokes)|
|UTAS Author:||Albion, T (Mr Tim Albion)|
|UTAS Author:||Venn, A (Professor Alison Venn)|
|Web of Science® Times Cited:||6|
|Deposited By:||Menzies Institute for Medical Research|
|Downloads:||11 View Download Statistics|
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