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Title: Evaluation of primary HPV-DNA testing in relation to visual inspection methods for cervical cancer screening in rural China: an epidemiologic and cost-effectiveness modelling study
Authors: Shi JF; Zhang YZ; Smith MA; Chen JF; Feng XX; Qiao YL; Canfell K; Lew JB; Zhao FH; Legood R; Ning Y; Simonella L; Ma L; Kang YJ
Categories: Cancer Control, Survivorship, and Outcomes Research - Health Services, Economic and Health Policy Analyses
Cancer Type - Cervical Cancer
Keywords: analysis; methods; mortality; screening; cancer; cervical; Cervical Cancer; Cervical Intraepithelial Neoplasia; China; detection; HPV; Incidence
Year: 2011
Journal Title: BMC Cancer
Volume: 11
Issue: 1
Page number start: 239
Abstract: ABSTRACT: BACKGROUND: A new lower-cost rapid-throughput human papillomavirus (HPV) test (careHPV, Qiagen, Gaithersburg, USA) has been shown to have high sensitivity for the detection of high grade cervical intraepithelial neoplasia. METHODS: We assessed the outcomes and cost-effectiveness of careHPV screening in rural China, compared to visual inspection with acetic acid, when used alone (VIA) or in combination with Lugol's iodine (VIA/VILI). Using data on sexual behaviour, test accuracy, diagnostic practices and costs from studies performed in rural China, we estimated the cost-effectiveness ratio (CER) and associated lifetime outcomes for once-lifetime and twice-lifetime screening strategies, and for routine screening at 5-yearly, 10-yearly and IARC-recommended intervals. The optimal age range for once-lifetime screening was also assessed. RESULTS: For all strategies, the relative ordering of test technologies in reducing cervical cancer incidence and mortality was VIA (least effective); VIA/VILI; careHPV@1.0pg/ml and careHPV@0.5pg/ml (most effective). For once-lifetime strategies, maximum effectiveness was achieved if screening occurred between 35-50 years. Assuming a participation rate of ~70%, once-lifetime screening at age 35 years would reduce cancer mortality by 8% (for VIA) to 12% (for careHPV@0.5) over the long term, with a CER of US$557 (for VIA) to $959 (for careHPV@1.0) per life year saved (LYS) compared to no intervention; referenced to a 2008 GDP per capita in Shanxi Province of $2,975. Correspondingly, regular screening with an age-standardised participation rate of 62% (which has been shown to be achievable in this setting) would reduce cervical cancer mortality by 19-28% (for 10-yearly screening) to 43-54% (using IARC-recommended intervals), with corresponding CERs ranging from $665 (for 10-yearly VIA) to $2,269 (for IARC-recommended intervals using careHPV@1.0) per LYS. CONCLUSIONS: This modelled analysis suggests that primary careHPV screening compares favourably to visual inspection screening methodologies in rural China, particularly if used as part of a regular screening program
Programme: Epi Mod Screen
Division: Cancer Research Division
URI: http://researchpubs.cancercouncil.com.au/cancercounciljspui/handle/1/1529
Appears in Collections:Research Articles

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