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January 28, 2020; 94 (4) ArticleOpen Access

Clinical risk factors in SUDEP

A nationwide population-based case-control study

Olafur Sveinsson, Tomas Andersson, Peter Mattsson, Sofia Carlsson, Torbjörn Tomson
First published December 12, 2019, DOI: https://doi.org/10.1212/WNL.0000000000008741
Olafur Sveinsson
From the Department of Neurology (O.S. T.T.), Karolinska University Hospital; Department of Clinical Neuroscience (O.S. T.T.) and Institute of Environmental Medicine (T.A., S.C.), Karolinska Institutet; Center for Occupational and Environmental Medicine (T.A.), Stockholm County Council; and Department of Neuroscience (P.M.), University of Uppsala, Sweden.
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Tomas Andersson
From the Department of Neurology (O.S. T.T.), Karolinska University Hospital; Department of Clinical Neuroscience (O.S. T.T.) and Institute of Environmental Medicine (T.A., S.C.), Karolinska Institutet; Center for Occupational and Environmental Medicine (T.A.), Stockholm County Council; and Department of Neuroscience (P.M.), University of Uppsala, Sweden.
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Peter Mattsson
From the Department of Neurology (O.S. T.T.), Karolinska University Hospital; Department of Clinical Neuroscience (O.S. T.T.) and Institute of Environmental Medicine (T.A., S.C.), Karolinska Institutet; Center for Occupational and Environmental Medicine (T.A.), Stockholm County Council; and Department of Neuroscience (P.M.), University of Uppsala, Sweden.
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Sofia Carlsson
From the Department of Neurology (O.S. T.T.), Karolinska University Hospital; Department of Clinical Neuroscience (O.S. T.T.) and Institute of Environmental Medicine (T.A., S.C.), Karolinska Institutet; Center for Occupational and Environmental Medicine (T.A.), Stockholm County Council; and Department of Neuroscience (P.M.), University of Uppsala, Sweden.
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Torbjörn Tomson
From the Department of Neurology (O.S. T.T.), Karolinska University Hospital; Department of Clinical Neuroscience (O.S. T.T.) and Institute of Environmental Medicine (T.A., S.C.), Karolinska Institutet; Center for Occupational and Environmental Medicine (T.A.), Stockholm County Council; and Department of Neuroscience (P.M.), University of Uppsala, Sweden.
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Clinical risk factors in SUDEP
A nationwide population-based case-control study
Olafur Sveinsson, Tomas Andersson, Peter Mattsson, Sofia Carlsson, Torbjörn Tomson
Neurology Jan 2020, 94 (4) e419-e429; DOI: 10.1212/WNL.0000000000008741

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This article has a correction. Please see:

  • Clinical risk factors in SUDEP - March 10, 2020
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    Figure 1 Flow chart describing the selection process

    SUDEP = sudden unexpected death in epilepsy.

  • Figure 2
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    Figure 2 Odds ratio (OR) (95% confidence interval [CI]) of sudden unexpected death in epilepsy by combinations of generalized tonic-clonic seizures (GTCS) and living conditions

    AP = attributable proportion due to interaction.

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Disputes & Debates: Rapid online correspondence

  • Author response: Clinical risk factors in SUDEP: A nationwide population-based case-control study
    • Olafur Sveinsson, Neurologist, Karolinska Institutet
    Submitted December 28, 2019
  • Reader response: Clinical risk factors in SUDEP: A nationwide population-based case-control study
    • Nitin K. Sethi, Associate Professor of Neurology, New York-Presbyterian Hospital, Weill Cornell Medical Center (New York, NY)
    Submitted December 16, 2019
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