A new method for the classification of invasive cervical cancer screening histories

被引:6
作者
Bagnall, Helen [1 ]
Pearmain, Philippa [1 ]
Clare, Joanne [1 ]
Lawrence, Gill [1 ]
机构
[1] Univ Birmingham, W Midlands Canc Intelligence Unit, Cerv Screening QA Reference Ctr, Birmingham B15 2TT, W Midlands, England
关键词
D O I
10.1258/096914106778440590
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Objectives To examine the ability of existing classification systems to provide screening histories for invasive cervical cancers which can be used in the evaluation of the NHS Cervical Screening Programme (NHSCSP), and to provide the diagnostic route data item required for the National Cancer Data Set (NCDS). Methods The ability of existing classification systems to derive unique, consistent screening histories for a cohort of invasive cervical cancers diagnosed in the West Midlands region in the period 2000-03 was tested using two separate timelines for women on normal routine recall (usually 3 or 5 years) and those on early recall having had an inadequate, low-grade abnormal or negative smear. Results Neither of the existing classification systems was capable of adequately categorizing all invasive cervical cancers. An original classification system incorporating features from the existing systems was therefore developed. This system includes both a 'screening status' component that essentially describes the status of a woman's interaction with the NHSCSP at the time her cancer was diagnosed, and a 'screening history' component that describes the results of previous screening tests. Conclusions National adoption of this new screening histories classification system would provide a detailed, consistent, nationally comparable screening history for all invasive cervical cancers which can be used in the national and regional evaluation of the NHSCSP and in local audit by clinical teams supplemented by histology and colposcopy data. The classification categories could be collapsed down to provide the diagnostic route data item required for the NCDS.
引用
收藏
页码:137 / 147
页数:11
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