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Conference Paper: An estimate of the prevalence of Down's Syndrome in Hong Kong

TitleAn estimate of the prevalence of Down's Syndrome in Hong Kong
Authors
Issue Date2013
PublisherMedcom Limited. The Journal's web site is located at http://www.hkjpaed.org/index.asp
Citation
The 2013 Joint Annual Scientific Meeting of The Hong Kong Paediatric Society and Hong Kong Paediatric Nurses Association, Hong Kong, 8 September 2013. In Hong Kong Journal of Paediatrics (New series), 2013, v. 18 n. 4, p. 245 How to Cite?
AbstractBACKGROUND: With improved medical care, people with Down's syndrome are now living longer. Given the increased healthcare needs of this population throughout life, it is important for the planning of healthcare services to know the age-specific prevalence of this condition. Currently, there is no national birth defects registry in Hong Kong and the prevalence of Down's syndrome in Hong Kong is unknown. METHOD: The CDARS system was used to identify all people who had used any Hong Kong Hospital Authority service between 1995 and 2012 and had an ICD9 diagnosis code of 758.0 – Down's syndrome in any diagnosis field. Duplicates were removed and those who had died before 31/12/10 or were born after 31/12/10 were excluded. The remaining 2120 patients were stratified by gender and 5 year age group. Age and gender stratified population counts from the Hong Kong Census 2011 were used as the denominator. RESULTS: The overall prevalence of Down's syndrome in Hong Kong is 3.00 per 10,000 population (95%CI 2.87, 3.12). Prevalence is higher in males with an overall prevalence of 3.38 per 10,000 (95%CI 3.18, 3.59) compared with 2.66 per 10,000 (95%CI 2.50, 2.83) for females. The difference between genders is most marked in the younger age groups. Prevalence is highest amongst the under 5s at 9.95 per 10,000 population (95%CI 8.71, 11.19) and decreases with age to 5.74 per 10,000 population (95%CI 5.04, 6.43) in the 20-25 year age group and 1.99 per 10,000 population (95%CI 1.65, 2.34) in the 45-50 year age group. The prevalence is 0 per 10,000 population by age 80 and over. Almost half (47.5%) of the Down's syndrome population in Hong Kong is under 20 years of age. CONCLUSION: This study provides an initial estimate of the age and gender-specific prevalence of Down's syndrome in Hong Kong. The results are important for planning Hospital Authority services for this population of people with Down's syndrome, who are known to have increased healthcare needs.
DescriptionPoster Presentation (Doctor’s Session)
Persistent Identifierhttp://hdl.handle.net/10722/190135
ISSN
2015 Impact Factor: 0.194
2015 SCImago Journal Rankings: 0.123

 

DC FieldValueLanguage
dc.contributor.authorGale, SCen_US
dc.contributor.authorIp, Pen_US
dc.contributor.authorChow, CBen_US
dc.contributor.authorWong, WHSen_US
dc.contributor.authorChung, BHYen_US
dc.contributor.authorIp, DKMen_US
dc.date.accessioned2013-09-17T15:12:11Z-
dc.date.available2013-09-17T15:12:11Z-
dc.date.issued2013en_US
dc.identifier.citationThe 2013 Joint Annual Scientific Meeting of The Hong Kong Paediatric Society and Hong Kong Paediatric Nurses Association, Hong Kong, 8 September 2013. In Hong Kong Journal of Paediatrics (New series), 2013, v. 18 n. 4, p. 245en_US
dc.identifier.issn1013-9923-
dc.identifier.urihttp://hdl.handle.net/10722/190135-
dc.descriptionPoster Presentation (Doctor’s Session)-
dc.description.abstractBACKGROUND: With improved medical care, people with Down's syndrome are now living longer. Given the increased healthcare needs of this population throughout life, it is important for the planning of healthcare services to know the age-specific prevalence of this condition. Currently, there is no national birth defects registry in Hong Kong and the prevalence of Down's syndrome in Hong Kong is unknown. METHOD: The CDARS system was used to identify all people who had used any Hong Kong Hospital Authority service between 1995 and 2012 and had an ICD9 diagnosis code of 758.0 – Down's syndrome in any diagnosis field. Duplicates were removed and those who had died before 31/12/10 or were born after 31/12/10 were excluded. The remaining 2120 patients were stratified by gender and 5 year age group. Age and gender stratified population counts from the Hong Kong Census 2011 were used as the denominator. RESULTS: The overall prevalence of Down's syndrome in Hong Kong is 3.00 per 10,000 population (95%CI 2.87, 3.12). Prevalence is higher in males with an overall prevalence of 3.38 per 10,000 (95%CI 3.18, 3.59) compared with 2.66 per 10,000 (95%CI 2.50, 2.83) for females. The difference between genders is most marked in the younger age groups. Prevalence is highest amongst the under 5s at 9.95 per 10,000 population (95%CI 8.71, 11.19) and decreases with age to 5.74 per 10,000 population (95%CI 5.04, 6.43) in the 20-25 year age group and 1.99 per 10,000 population (95%CI 1.65, 2.34) in the 45-50 year age group. The prevalence is 0 per 10,000 population by age 80 and over. Almost half (47.5%) of the Down's syndrome population in Hong Kong is under 20 years of age. CONCLUSION: This study provides an initial estimate of the age and gender-specific prevalence of Down's syndrome in Hong Kong. The results are important for planning Hospital Authority services for this population of people with Down's syndrome, who are known to have increased healthcare needs.-
dc.languageengen_US
dc.publisherMedcom Limited. The Journal's web site is located at http://www.hkjpaed.org/index.asp-
dc.relation.ispartofHong Kong Journal of Paediatrics (New series)en_US
dc.titleAn estimate of the prevalence of Down's Syndrome in Hong Kongen_US
dc.typeConference_Paperen_US
dc.identifier.emailIp, P: patricip@hku.hken_US
dc.identifier.emailChow, CB: chowcb@hku.hken_US
dc.identifier.emailWong, WHS: whswong@hku.hken_US
dc.identifier.emailChung, BHY: bhychung@hku.hken_US
dc.identifier.authorityIp, P=rp01337en_US
dc.identifier.authorityChung, BHY=rp00473en_US
dc.identifier.hkuros225108en_US
dc.identifier.volume18-
dc.identifier.issue4-
dc.identifier.spage245en_US
dc.identifier.epage245en_US
dc.publisher.placeHong Kong-

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