A data mining approach for grouping and analyzing trajectories of care using claim data: the example of breast cancerReport as inadecuate

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BMC Medical Informatics and Decision Making

, 13:130

Standards, technology, and modeling


BackgroundWith the increasing burden of chronic diseases, analyzing and understanding trajectories of care is essential for efficient planning and fair allocation of resources. We propose an approach based on mining claim data to support the exploration of trajectories of care.

MethodsA clustering of trajectories of care for breast cancer was performed with Formal Concept Analysis. We exported Data from the French national casemix system, covering all inpatient admissions in the country. Patients admitted for breast cancer surgery in 2009 were selected and their trajectory of care was recomposed with all hospitalizations occuring within one year after surgery. The main diagnoses of hospitalizations were used to produce morbidity profiles. Cumulative hospital costs were computed for each profile.

Results57,552 patients were automatically grouped into 19 classes. The resulting profiles were clinically meaningful and economically relevant. The mean cost per trajectory was 9,600€. Severe conditions were generally associated with higher costs. The lowest costs 6,957€ were observed for patients with in situ carcinoma of the breast, the highest for patients hospitalized for palliative care 26,139€.

ConclusionsFormal Concept Analysis can be applied on claim data to produce an automatic classification of care trajectories. This flexible approach takes advantages of routinely collected data and can be used to setup cost-of-illness studies.

KeywordsData mining Formal concept analysis Claim data Trajectory of care Cancer Electronic supplementary materialThe online version of this article doi:10.1186-1472-6947-13-130 contains supplementary material, which is available to authorized users.

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Author: Nicolas Jay - Gilles Nuemi - Maryse Gadreau - Catherine Quantin

Source: https://link.springer.com/

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