Mortality of chronic disorders of consciousness in adults and adolescents – a retrospective community based study from Salzburg, Austria

IntroductionEpidemiological data on disorders of consciousness (DoC) is rare and very heterogeneous due to difficulties in case ascertainment and differences in health care pathways between countries. This study reports data on mortality and survival time for DoC patients in Salzburg, Austria.Method...

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Main Authors: Laura Schnetzer, Tanja Prüwasser, Jürgen Bergmann, Georg Zimmermann, Martin Kronbichler, Stefan Leis, Eugen Trinka
Format: Article
Language:English
Published: Frontiers Media S.A. 2024-12-01
Series:Frontiers in Neurology
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Online Access:https://www.frontiersin.org/articles/10.3389/fneur.2024.1465564/full
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author Laura Schnetzer
Laura Schnetzer
Laura Schnetzer
Laura Schnetzer
Laura Schnetzer
Tanja Prüwasser
Jürgen Bergmann
Jürgen Bergmann
Georg Zimmermann
Georg Zimmermann
Georg Zimmermann
Martin Kronbichler
Martin Kronbichler
Stefan Leis
Eugen Trinka
Eugen Trinka
Eugen Trinka
Eugen Trinka
author_facet Laura Schnetzer
Laura Schnetzer
Laura Schnetzer
Laura Schnetzer
Laura Schnetzer
Tanja Prüwasser
Jürgen Bergmann
Jürgen Bergmann
Georg Zimmermann
Georg Zimmermann
Georg Zimmermann
Martin Kronbichler
Martin Kronbichler
Stefan Leis
Eugen Trinka
Eugen Trinka
Eugen Trinka
Eugen Trinka
author_sort Laura Schnetzer
collection DOAJ
description IntroductionEpidemiological data on disorders of consciousness (DoC) is rare and very heterogeneous due to difficulties in case ascertainment and differences in health care pathways between countries. This study reports data on mortality and survival time for DoC patients in Salzburg, Austria.MethodsAll patients with DoC were registered in the health care region of Salzburg North, Austria between 2007 and 2022 and their death data retrieved from the Statistik Austria. The 1- and 5-year mortality was calculated, also in relation to several explanatory variables (age, sex, etiology, diagnosis, CRS-R score, improvement). Furthermore, the incidence, survival functions using the Kaplan–Meier estimator and a Cox-Regression were calculated.ResultsThe mean annual incidence is 2.2 DoC/100.000 inhabitants in the Salzburg North region. The crude 1- and 5-year mortality rates were 25.9 and 55.1%, respectively, and the median survival of DoC patients based on the Kaplan–Meier estimator was 6.3 years. Moreover, the mortality was lower in women and in younger patients, those of traumatic etiology, and those with higher CRS-R scores, better diagnosis or an improvement of diagnosis until discharge from hospital.ConclusionThis article gives a rare insight into epidemiological data on DoC and shows which factors influence the mortality of these patients. Moreover, it is the first community based study on mortality of DoC in Salzburg, Austria.
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spelling doaj-art-865fdad533e249cfa247169b4a3adad72025-08-20T02:51:06ZengFrontiers Media S.A.Frontiers in Neurology1664-22952024-12-011510.3389/fneur.2024.14655641465564Mortality of chronic disorders of consciousness in adults and adolescents – a retrospective community based study from Salzburg, AustriaLaura Schnetzer0Laura Schnetzer1Laura Schnetzer2Laura Schnetzer3Laura Schnetzer4Tanja Prüwasser5Jürgen Bergmann6Jürgen Bergmann7Georg Zimmermann8Georg Zimmermann9Georg Zimmermann10Martin Kronbichler11Martin Kronbichler12Stefan Leis13Eugen Trinka14Eugen Trinka15Eugen Trinka16Eugen Trinka17Department of Neurology, Neurological Intensive Care and Neurorehabilitation, Christian Doppler Medical Centre, Centre for Cognitive Neuroscience Salzburg, Member of the European Reference Network EpiCARE, Paracelsus Medical University, Salzburg, AustriaNeuroscience Institute, Christian Doppler Medical Centre, Centre for Cognitive Neuroscience Salzburg, Paracelsus Medical University, Salzburg, AustriaKarl Landsteiner Institute of Neurorehabilitation and Space Neurology, Salzburg, AustriaSpinal Cord Injury and Tissue Regeneration Centre, Paracelsus Medical University, Salzburg, AustriaVorarlberg Institute for Vascular Investigation and Treatment (VIVIT), Feldkirch, AustriaDepartment of Mathematics, Paris Lodron University, Salzburg, AustriaDepartment of Neurology, Neurological Intensive Care and Neurorehabilitation, Christian Doppler Medical Centre, Centre for Cognitive Neuroscience Salzburg, Member of the European Reference Network EpiCARE, Paracelsus Medical University, Salzburg, AustriaNeuroscience Institute, Christian Doppler Medical Centre, Centre for Cognitive Neuroscience Salzburg, Paracelsus Medical University, Salzburg, AustriaIDA Lab Team Biostatistics and Big Medical Data, Paracelsus Medical University, Salzburg, AustriaDepartment of Artificial Intelligence and Human Interfaces, Faculty of Digital and Analytical Sciences, Paris Lodron University, Salzburg, AustriaResearch Programme Biomedical Data Science, Paracelsus Medical University, Salzburg, AustriaNeuroscience Institute, Christian Doppler Medical Centre, Centre for Cognitive Neuroscience Salzburg, Paracelsus Medical University, Salzburg, Austria0Department of Psychology, Centre for Cognitive Neuroscience, University of Salzburg, Salzburg, AustriaDepartment of Neurology, Neurological Intensive Care and Neurorehabilitation, Christian Doppler Medical Centre, Centre for Cognitive Neuroscience Salzburg, Member of the European Reference Network EpiCARE, Paracelsus Medical University, Salzburg, AustriaDepartment of Neurology, Neurological Intensive Care and Neurorehabilitation, Christian Doppler Medical Centre, Centre for Cognitive Neuroscience Salzburg, Member of the European Reference Network EpiCARE, Paracelsus Medical University, Salzburg, AustriaNeuroscience Institute, Christian Doppler Medical Centre, Centre for Cognitive Neuroscience Salzburg, Paracelsus Medical University, Salzburg, AustriaKarl Landsteiner Institute of Neurorehabilitation and Space Neurology, Salzburg, AustriaSpinal Cord Injury and Tissue Regeneration Centre, Paracelsus Medical University, Salzburg, AustriaIntroductionEpidemiological data on disorders of consciousness (DoC) is rare and very heterogeneous due to difficulties in case ascertainment and differences in health care pathways between countries. This study reports data on mortality and survival time for DoC patients in Salzburg, Austria.MethodsAll patients with DoC were registered in the health care region of Salzburg North, Austria between 2007 and 2022 and their death data retrieved from the Statistik Austria. The 1- and 5-year mortality was calculated, also in relation to several explanatory variables (age, sex, etiology, diagnosis, CRS-R score, improvement). Furthermore, the incidence, survival functions using the Kaplan–Meier estimator and a Cox-Regression were calculated.ResultsThe mean annual incidence is 2.2 DoC/100.000 inhabitants in the Salzburg North region. The crude 1- and 5-year mortality rates were 25.9 and 55.1%, respectively, and the median survival of DoC patients based on the Kaplan–Meier estimator was 6.3 years. Moreover, the mortality was lower in women and in younger patients, those of traumatic etiology, and those with higher CRS-R scores, better diagnosis or an improvement of diagnosis until discharge from hospital.ConclusionThis article gives a rare insight into epidemiological data on DoC and shows which factors influence the mortality of these patients. Moreover, it is the first community based study on mortality of DoC in Salzburg, Austria.https://www.frontiersin.org/articles/10.3389/fneur.2024.1465564/fullminimally conscious stateunresponsive wakefulness syndromeincidencesurvivalepidemiologyKaplan–Meier curve
spellingShingle Laura Schnetzer
Laura Schnetzer
Laura Schnetzer
Laura Schnetzer
Laura Schnetzer
Tanja Prüwasser
Jürgen Bergmann
Jürgen Bergmann
Georg Zimmermann
Georg Zimmermann
Georg Zimmermann
Martin Kronbichler
Martin Kronbichler
Stefan Leis
Eugen Trinka
Eugen Trinka
Eugen Trinka
Eugen Trinka
Mortality of chronic disorders of consciousness in adults and adolescents – a retrospective community based study from Salzburg, Austria
Frontiers in Neurology
minimally conscious state
unresponsive wakefulness syndrome
incidence
survival
epidemiology
Kaplan–Meier curve
title Mortality of chronic disorders of consciousness in adults and adolescents – a retrospective community based study from Salzburg, Austria
title_full Mortality of chronic disorders of consciousness in adults and adolescents – a retrospective community based study from Salzburg, Austria
title_fullStr Mortality of chronic disorders of consciousness in adults and adolescents – a retrospective community based study from Salzburg, Austria
title_full_unstemmed Mortality of chronic disorders of consciousness in adults and adolescents – a retrospective community based study from Salzburg, Austria
title_short Mortality of chronic disorders of consciousness in adults and adolescents – a retrospective community based study from Salzburg, Austria
title_sort mortality of chronic disorders of consciousness in adults and adolescents a retrospective community based study from salzburg austria
topic minimally conscious state
unresponsive wakefulness syndrome
incidence
survival
epidemiology
Kaplan–Meier curve
url https://www.frontiersin.org/articles/10.3389/fneur.2024.1465564/full
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