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Mortality and cancer incidence in persons with Down's syndrome, their parents and siblings.

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Publication Date
2001-03
ICR Author
Swerdlow, Anthony
Author
Hermon, C
Alberman, E
Beral, V
Swerdlow, AJ
Type
Journal Article
Metadata
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Abstract
A cohort study of 1425 persons with Down's syndrome (DS), and of their parents (447 mothers, 435 fathers) and siblings (1176), was set up to investigate death rates from various causes and cancer incidence patterns. In individuals with DS the all-cause death rate was six times that of the national population (SMR = 622: 95% CI 559-693), the excess being attributable to many different causes. These included: leukaemia (SMR = 1304: 95% CI 651-2334); diabetes mellitus (SMR = 982: 95% CI 267-2515); Alzheimer's disease (SMR = 22028: 95% CI 7137-51326); epilepsy (SMR = 1727: 95% CI 744-3403); and congenital anomalies (SMR = 4987: 95% CI 4175-5955). The overall survival showed marked improvements for successive birth cohorts, particularly at young ages. For mothers and fathers of persons with DS, all-cause death rates were 20% lower than national rates and there were no significant excesses from any specific cause. For siblings, all-cause death rates were similar to national rates; the only condition with a significantly raised mortality ratio was colo-rectal cancer (SMR = 793: 95% CI 216-2031), but this may well be a chance finding.
URL
https://repository.icr.ac.uk/handle/internal/1881
Collections
  • Breast Cancer Research
  • Genetics and Epidemiology
Version of record
10.1017/s0003480001008508
Subject
Humans
Neoplasms
Down Syndrome
Cause of Death
Cohort Studies
Nuclear Family
Parents
Adolescent
Adult
Aged
Middle Aged
Child
Child, Preschool
Infant
Infant, Newborn
England
Scotland
Female
Male
Bias
Research team
Aetiological Epidemiology
Language
eng
License start date
2001-03
Citation
Annals of human genetics, 2001, 65 (Pt 2), pp. 167 - 176

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