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Identification of patients with atrial fibrillation [Elektronski vir] : a big data exploratory analysis of the UK BiobankOster, Julien ...Objective: Atrial fibrillation (AF) is the most common cardiac arrhythmia, with an estimated prevalence of around 1.6% in the adult population. The analysis of the electrocardiogram (ECG) data ... acquired in the UK Biobank represents an opportunity to screen for AF in a large sub-population in the UK. The main objective of this paper is to assess ten machine-learning methods for automated detection of subjects with AF in the UK Biobank dataset. Approach: Six classical machine-learning methods based on support vector machines are proposed and compared with state-of-the-art techniques (including a deep-learning algorithm), and finally a combination of a classical machine-learning and deep learning approaches. Evaluation is carried out on a subset of the UK Biobank dataset, manually annotated by human experts. Main results: The combined classical machine-learning and deep learning method achieved an F1 score of 84.8% on the test subset, and a Cohen's kappa coefficient of 0.83, which is similar to the inter-observer agreement of two human experts. Significance: The level of performance indicates that the automated detection of AF in patients whose data have been stored in a large database, such as the UK Biobank, is possible. Such automated identification of AF patients would enable further investigations aimed at identifying the different phenotypes associated with AF.Source: Physiological measurement [Elektronski vir]. - ISSN 1361-6579 (Vol. 41, iss. 2, 2020, str. 1-11)Type of material - e-article ; adult, seriousPublish date - 2020Language - englishCOBISS.SI-ID - 98219011
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Oster, Julien | |
Hopewell, Jemma C | |
Žiberna, Klemen | 56196 |
Wijesurendra, Rohan | |
Camm, Christian Fielder | |
Casadei, Barbara | |
Tarassenko, Lionel |
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