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Risk stratification in cervical cancer screening by complete screening history : Applying bioinformatics to a general screening population
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- Baltzer, Nicholas (författare)
- Uppsala universitet,Beräkningsbiologi och bioinformatik,Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Stockholm County, Sweden
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- Sundström, Karin (författare)
- Karolinska Institutet
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- Nygård, Jan F. (författare)
- Canc Registry Norway, Dept Registry Informat, Oslo, Oslo County, Norway.
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- (creator_code:org_t)
- 2017-04-24
- 2017
- Engelska.
- Ingår i: International Journal of Cancer. - : Wiley. - 0020-7136 .- 1097-0215. ; 141:1, s. 200-209
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
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- Women screened for cervical cancer in Sweden are currently treated under a one-size-fits-all programme, which has been successful in reducing the incidence of cervical cancer but does not use all of the participants' available medical information. This study aimed to use women's complete cervical screening histories to identify diagnostic patterns that may indicate an increased risk of developing cervical cancer. A nationwide case-control study was performed where cervical cancer screening data from 125,476 women with a maximum follow-up of 10 years were evaluated for patterns of SNOMED diagnoses. The cancer development risk was estimated for a number of different screening history patterns and expressed as Odds Ratios (OR), with a history of 4 benign cervical tests as reference, using logistic regression. The overall performance of the model was moderate (64% accuracy, 71% area under curve) with 61-62% of the study population showing no specific patterns associated with risk. However, predictions for high-risk groups as defined by screening history patterns were highly discriminatory with ORs ranging from 8 to 36. The model for computing risk performed consistently across different screening history lengths, and several patterns predicted cancer outcomes. The results show the presence of risk-increasing and risk-decreasing factors in the screening history. Thus it is feasible to identify subgroups based on their complete screening histories. Several high-risk subgroups identified might benefit from an increased screening density. Some low-risk subgroups identified could likely have a moderately reduced screening density without additional risk.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
- NATURVETENSKAP -- Data- och informationsvetenskap -- Bioinformatik (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Bioinformatics (hsv//eng)
Nyckelord
- bioinformatics
- cervical cancer
- screening
- personalized medicine
- machine learning
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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- Sundström, Karin
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- Dillner, Joakim
- Komorowski, Jan
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- MEDICIN OCH HÄLSOVETENSKAP
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