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Title: Time to clinical investigation for Indigenous and non-Indigenous Queensland women after a high grade abnormal Pap smear, 2000e2009
Authors: Whop LJ; Baade P; Brotherton JML; Canfell K; Cunningham J; Gertig D; Lokuge K; Garvey G; Moore SP; Diaz A; O'Connell DL; Valery P; Roder D; Condon JR
Categories: Cancer Control, Survivorship, and Outcomes Research - Population –based Behavioural Factors
Cancer Type - Cervical Cancer
Year: 2017
Journal Title: Medical Journal of Australia
Volume: 206
Issue: 2
Page number start: 73
Page number end: 77
Abstract: Objectives: To investigate time to follow-up (clinical investigation) for Indigenous and non-Indigenous women in Queensland after a high grade abnormality (HGA) being detected by Pap smear. Design, setting, participants: Population-based retrospective cohort analysis of linked data from the Queensland Pap Smear Register (PSR), the Queensland Hospital Admitted Patient Data Collection, and the Queensland Cancer Registry. 34 980 women aged 20e68 years (including 1592 Indigenous women) with their first HGA Pap smear result recorded on the PSR (index smear) during 2000e2009 were included and followed to the end of 2010. Main outcome measures: Time from the index smear to clinical investigation (histology test or cancer diagnosis date), censored at 12 months. Results: The proportion of women who had a clinical investigation within 2 months of a HGA finding was lower for Indigenous (34.1%; 95% CI, 31.8e36.4%) than for non-Indigenous women (46.5%; 95% CI, 46.0e47.0%; unadjusted incidence rate ratio [IRR], 0.65; 95% CI, 0.60e0.71). This difference remained after adjusting for place of residence, area-level disadvantage, and age group (adjusted IRR, 0.74; 95% CI, 0.68e0.81). However, Indigenous women who had not been followed up within 2 months were subsequently more likely to have a clinical investigation than non-Indigenous women (adjusted IRR for 2e4 month interval, 1.21; 95% CI, 1.08e1.36); by 6 months, a similar proportion of Indigenous (62.2%; 95% CI, 59.8e64.6%) and non-Indigenous women (62.8%; 95% CI, 62.2e63.3%) had been followed up. Conclusions: Prompt follow-up after a HGA Pap smear finding needs to improve for Indigenous women. Nevertheless, slow follow-up is a smaller contributor to their higher cervical cancer incidence and mortality than their lower participation in cervical screening.
Division: Cancer Research Division
Funding Body: The National Indigenous Cervical Screening Project is funded by a National Health and Medical Research Council (NHMRC) Project Grant (104559). This project is part of the NHMRC Centre of Research Excellence in Discovering Indigenous Strategies to Improve Cancer Outcomes via Engagement, Research Translation and Training (DISCOVER-TT CRE; 1041111) and the Cancer Council NSW Strategic Research Partnership to Improve Cancer Control for Indigenous Australians (STREP Ca-CIndA; SRP13-01). We also acknowledge the ongoing support of the Lowitja Institute, Australia’s national institute for Aboriginal and Torres Strait Islander health research. Lisa Whop was supported by a Sidney Myer Health scholarship, a Menzies Enhanced Living scholarship, and a Lowitja Institute scholarship. Abbey Diaz was supported by an NHMRC postgraduate scholarship (1055587) and a DISCOVER-TT CRE-funded Menzies Enhanced Living scholarship. The NHMRC supported Joan Cunningham with a research fellowship (1058244), Patricia Valery with a career development fellowship (1083090), and Karen Canfell with a career development award (1082989).
DOI: 10.5694/mja16.00255
Appears in Collections:Research Articles

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