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dc.contributor.authorLuke, C.en
dc.contributor.authorKoczwara, B.en
dc.contributor.authorKarapetis, C.en
dc.contributor.authorPittman, K.en
dc.contributor.authorPrice, T.en
dc.contributor.authorKotasek, D.en
dc.contributor.authorBeckmann, K.en
dc.contributor.authorBrown, M.en
dc.contributor.authorRoder, D.en
dc.identifier.citationAustralian and New Zealand Journal of Public Health, 2008; 32(4):383-389en
dc.description.abstractObjectives: To investigate incidence, mortality and case survival trends for cancer of unknown primary site (CUP) and consider clinical implications. Method: South Australian Cancer Registry data were used to calculate age-standardised incidence and mortality rates from 1977 to 2004. Disease-specific survivals, socio-demographic, histological and secular predictors of CUP, compared with cancers of known primary site, and of CUP histological types, using multivariable logistic regression were investigated. Results: Incidence and mortality rates increased approximately 60% between 1977-80 and 1981-84. Rates peaked in 1993-96. Male to female incidence and mortality rate ratios approximated 1.3:1. Incidence and mortality rates increased with age. The odds of unspecified histological type, compared with the more common adenocarcinomas, were higher for males than females, non-metropolitan residents, low socio-economic areas, and for 1977-88 than subsequent diagnostic periods. CUP represented a higher proportion of cancers in Indigenous patients. Case survival was 7% at 10 years from diagnosis. Factors predictive of lower case survival included older age, male sex, Indigenous status, lower socio-economic status, and unspecified histology type. Conclusion: Results point to poor CUP outcomes, but with a modest improvement in survival. The study identifies socio-demographic groups at elevated risk of CUP and of worse treatment outcomes where increased research and clinical attention are required.en
dc.description.statementofresponsibilityColin Luke, Bogda Koczwara, Christos Karapetis, Ken Pittman, Tim Price, Dusan Kotasek, Kerry Beckmann, Michael P. Brown and David Roderen
dc.publisherPublic Health Assoc Australia Incen
dc.rights© 2008 The Berkeley Electronic Pressen
dc.subjectHumans; Neoplasms, Unknown Primary; Epidemiologic Methods; Registries; Incidence; Logistic Models; Risk Factors; Epidemiologic Studies; Pilot Projects; Public Health; Public Health Practice; Socioeconomic Factors; Adult; Aged; Aged, 80 and over; Middle Aged; South Australia; Female; Male; Practice Patterns, Physicians'en
dc.titleExploring the epidemiological characteristics of cancers of unknown primary site in an Australian population: implications for research and clinical careen
dc.typeJournal articleen
pubs.library.collectionPublic Health publicationsen
dc.identifier.orcidPrice, T. [0000-0002-3922-2693]en
dc.identifier.orcidBrown, M. [0000-0002-5796-1932]en
dc.identifier.orcidRoder, D. [0000-0001-6442-4409]en
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