Skin cancer trends among Asians living in Singapore from 1968 to 2006 - 07/08/11
, David Koh, PhD (Birm) a, Wong Chia Siong, M. Med (PH) b, Tai Bee Choo, PhD (London) a
Reprint requests: Judy Sng, M. Med (OM), Department of Epidemiology and Public Health, Yong Loo Lin School of Medicine, National University of Singapore, MD3, 16 Medical Drive, Singapore 117597.Abstract |
Background |
The incidence rates of skin cancers in Caucasian populations are increasing. There is little information on skin cancer trends in Asians, who have distinctly different skin types.
Objective |
We sought to study skin cancer incidence rates and time trends among the 3 Asian ethnic groups in Singapore.
Methods |
We analyzed skin cancer data from the Singapore Cancer Registry from 1968 to 2006 using the Poisson regression model.
Results |
There were 4044 reported cases of basal cell carcinoma, 2064 of squamous cell carcinoma, and 415 of melanoma. Overall skin cancer incidence rates increased from 2.9/100,000 in 1968 to 1972 to 8.4/100,000 in 1998 to 2002, declining to 7.4/100,000 in 2003 to 2006. Among older persons (≥60 years), basal cell carcinoma rates increased the most, by 18.9/100,000 in Chinese, 6.0/100,000 in Malays, and 4.1/100,000 in Indians from 1968 to 1972 to 2003 to 2006. Squamous cell carcinoma rates among those aged 60 years and older increased by 2.3/100,000 in Chinese and by 1/100,000 in Malays and Indians. Melanoma rates were constant for all 3 races. Skin cancer rates among the fairer-skinned Chinese were approximately 3 times higher than in Malays and Indians, who generally have darker complexions.
Limitations |
Although appropriate population denominators were used, lack of data from 2007 could have affected the results for the last time period, which comprised 4 instead of 5 years.
Conclusion |
Incidence rates of skin cancer in Singapore increased from 1968 to 2006, especially among older Chinese
Le texte complet de cet article est disponible en PDF.Key words : Asians, incidence rates, Singapore, skin cancer
Abbreviations used : BCC, CI, IRR, M, SCC, UV
Plan
| Funding sources: None. |
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| Conflicts of interest: None declared. |
Vol 61 - N° 3
P. 426-432 - septembre 2009 Retour au numéro
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