University of Birmingham > Talks@bham > Artificial Intelligence and Natural Computation seminars > Hypothesis Formulation in Medical Records Space: Taming the flood of data in electronic patient records

Hypothesis Formulation in Medical Records Space: Taming the flood of data in electronic patient records

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If you have a question about this talk, please contact Lars Kunze.

Host: Prof. Xin Yao

Medical care data is a valuable resource that can be used for many purposes including managing and planning for future health needs as well as clinical research. However, the heterogeneity and complexity of medical data can be an obstacle in applying data mining techniques. Much of the potential value of this data therefore goes untapped. We have developed a methodology that reduces the dimensionality of primary care data, in order to make it more amenable to visualisation, mining and clustering. The methodology involves employing a combination of ontology-based semantic similarity and principal component analysis (PCA) to map the data into an appropriate and informative low dimensional space. The results of our application of this methodology show that diagnosis codes in primary care data can be used to map patients into an informative low dimensional space, which in turn provides the opportunity to support further data exploration and medical hypothesis formulation. Results will be presented based on both analysis of patient data from Salford as well as a more recent analysis of the snapshot of the entire UK population from 2011.

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This talk is part of the Artificial Intelligence and Natural Computation seminars series.

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