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  • E-mailMathias.Barra@uib.no
  • Phone+47 408 47 204
  • Visitor Address
    Alrek helseklynge, blokk D, Årstadveien 17
  • Postal Address
    Postboks 7804
    5020 Bergen
Academic article
  • Show author(s) 2020. The devils in the DALY: Prevailing evaluative assumptions. Public Health Ethics. 259-274.
  • Show author(s) 2020. The association of stroke severity with health-related quality of life in survivors of acute cerebrovascular disease and their informal caregivers during the first year post stroke: a survey study. Quality of Life Research.
  • Show author(s) 2020. Should we discount future health benefits? Pro et contra. Norsk Filosofisk tidsskrift. 170-184.
  • Show author(s) 2020. Do not despair about severity—yet. Journal of Medical Ethics. 1-2.
  • Show author(s) 2020. A Markov chain method for counting and modelling migraine attacks. Scientific Reports. 1-10.
  • Show author(s) 2019. Using the choice sequence in time trade-off as discrete choices: do the two stories match? Value in Health. 1-8.
  • Show author(s) 2019. Stroke-Related Knowledge and Lifestyle Behavior among Stroke Survivors. Journal of Stroke & Cerebrovascular Diseases. 1-7.
  • Show author(s) 2019. Stroke incidence in the young: evidence from a Norwegian register study. Journal of Neurology. 1-17.
  • Show author(s) 2019. Severity as a priority setting criterion: Setting a challenging research agenda. Health Care Analysis. 1-20.
  • Show author(s) 2019. Patient and service factors associated with referral and admission to inpatient rehabilitation after the acute phase of stroke in Australia and Norway. BMC Health Services Research. 10 pages.
  • Show author(s) 2019. Identifying menstrual migraine- improving the diagnostic criteria using a statistical method. The Journal of Headache and Pain. 12 pages.
  • Show author(s) 2019. Fewer ischemic strokes, despite an ageing population: stroke models from observed incidence in Norway 2010–2015. BMC Health Services Research. 11 pages.
  • Show author(s) 2019. Consistency is not overrated. Journal of Medical Ethics. 830-831.
  • Show author(s) 2019. Changes in survival and characteristics among older stroke unit patients-1994 versus 2012. Brain and Behavior.
  • Show author(s) 2019. Bruk ordet fosterantallsreduksjon. Tidsskrift for Den norske legeforening. 3 pages.
  • Show author(s) 2019. Abort og fosterreduksjon: En etisk sammenligning. Etikk i praksis. 89-111.
  • Show author(s) 2018. The Burden of Stroke Mimics: Present and Future Projections. Journal of Stroke & Cerebrovascular Diseases. 1288-1295.
  • Show author(s) 2018. Differences in and Determinants of Prehospital Delay Times among Stroke Patients?1994 Versus 2012. Journal of Stroke & Cerebrovascular Diseases. 2398-2404.
  • Show author(s) 2018. Choice Defines Value: A Predictive Modeling Competition in Health Preference Research. Value in Health. 229-238.
  • Show author(s) 2018. A Norwegian 15D value algorithm: proposing a new procedure to estimate 15D value algorithms. Quality of Life Research. 1-15.
  • Show author(s) 2017. The disvalue of death in the global burden of disease. Journal of Medical Ethics. 192-198.
  • Show author(s) 2017. Do hybrid simulation models always increase flexibility to handle parametric and structural changes? Winter simulation conference : proceedings. 1439-1450.
  • Show author(s) 2017. Cues and clues predicting presence of symptoms of depression in stroke survivors. Journal of Clinical Nursing (JCN). 546-556.
  • Show author(s) 2016. Pre-contact by telephone increases response rates to postal questionnaires in a population of stroke patients: an open ended randomized controlled trial. BMC Health Services Research.
  • Show author(s) 2016. Conflicts or synergy when combining modeling approaches - Perspectives from psychology. Winter simulation conference : proceedings.
  • Show author(s) 2016. A missing cornerstone in the Norwegian Priority Commission’s weighting scheme – Sub-treatment balancedness is a necessary property for priority setting criteria. Nordic Journal of Health Economics. 8-23.
  • Show author(s) 2015. Statistical Testing of Association Between Menstruation and Migraine. Headache. 229-240.
  • Show author(s) 2015. Sesongjusterte fødselsfrekvenser er Poisson-fordelte. Tidsskrift for Den norske legeforening. 2154-2158.
  • Show author(s) 2015. Examining the relationship between health-related quality of life and increasing numbers of diagnoses. Quality of Life Research. 10 pages.
  • Show author(s) 2011. The consequences of how subject matter expert estimates are interpreted and modeled, demonstrated by an emergency department DES model comparing triangular and beta distributions. Winter simulation conference : proceedings. 3649-3656.
  • Show author(s) 2010. Bounded minimalisation and bounded counting in argument-bounded idc's. Mathematical Structures in Computer Science. 753-779.
  • Show author(s) 2005. The small Grzegorczyk classes and the typed lambda-calculus. Lecture Notes in Computer Science (LNCS).
Lecture
  • Show author(s) 2019. Kriterier for helseprioriteringer .
  • Show author(s) 2019. Hjerneslagimitatorer ved Haukeland universitetssykehus 2008-2017.
  • Show author(s) 2018. Survival in older Norwegian stroke patients.
  • Show author(s) 2018. Changes in survival, risk factors and stroke characteristics among older Norwegian stroke unit patients.
Popular scientific lecture
  • Show author(s) 2006. Uendelighet, Cantor og matematiske misforståelser.
Academic lecture
  • Show author(s) 2020. The impact of stroke severity on health related quality of life in patients with acute cerebrovascular disease and their informal caregivers.
  • Show author(s) 2020. SEVPRI.
  • Show author(s) 2020. Presentation of SEVPRI .
  • Show author(s) 2019. The development of workshops to introduce computer simulation modelling health care decision-makers in familiar contexts.
  • Show author(s) 2019. The Devils in the DALY: Evaluating disease burden in the Global Burden of Disease study.
  • Show author(s) 2019. Slaginsidens i alle aldre – tidstrender og fremskrivninger.
  • Show author(s) 2019. Factors predicting access to post-acute inpatient rehabilitation following stroke.
  • Show author(s) 2018. Patterns and predictors of referral to rehabilitation among older Norwegian stroke unit patients.
  • Show author(s) 2018. Fremskrivinger av forekomst av hjerneslag i Norge.
  • Show author(s) 2018. Endring i overlevelse og karakteristika blant eldre slagpasienter på Ahus mellom 1994 og 2012.
  • Show author(s) 2017. Using bootstrapping to reflect variance in resource demand in simulation modeling of patient flow; the case of stroke treatment in Norway.
  • Show author(s) 2017. The Disvalue of Death and the Global Burden of Disease.
  • Show author(s) 2017. TRENDS IN STROKE SEVERITY AND BASELINE RISK PROFILE IN PATIENTS TREATED ON A COMPREHENSIVE STROKE UNIT IN NORWAY IN 1994 VERSUS 2012.
  • Show author(s) 2017. Survival of the fittest? Frailty modelling of stroke incidence.
  • Show author(s) 2017. Effects of stroke on labour force participation for patients and family caregivers.
  • Show author(s) 2017. Differences in pre-hospital delay times in greater Oslo and Akershus County in 1994 versus 2012.
  • Show author(s) 2016. Using the choice sequence in Time trade-off as Discrete Choices – do the two stories match?
  • Show author(s) 2016. The Disvalue of Death in the Global Burden of Disease.
  • Show author(s) 2016. Nesten perfekt helse -er det virkelig så ille?
  • Show author(s) 2016. Flexible healthcare hybrid simulation modeling.
  • Show author(s) 2014. Additional condtions add up to little HRQoL.
  • Show author(s) 2010. The Ordinal of Skolem + Tetration is \tau_0.
  • Show author(s) 2009. Skolem + Tetration is Well-Ordered.
  • Show author(s) 2009. On relativized detour degrees.
  • Show author(s) 2008. Relativised Detour Degrees.
  • Show author(s) 2008. Pure Iteration and Periodicity.
  • Show author(s) 2008. A Characterisation of the Relations Definable in Presburger Arithmetic.
  • Show author(s) 2006. On some small subreecursive classes.
  • Show author(s) 2006. On some small subrecursive classes.
  • Show author(s) 2006. Nondeterminism without Turing Machines.
  • Show author(s) 2005. The small Grzegorczyk classes and the typed lambda-calculus.
Reader opinion piece
  • Show author(s) 2019. Fosterantallsreduksjon som risikoreduksjon består. Sykepleien. 1-2.
  • Show author(s) 2019. Fosterantallsreduksjon kan forsvares etisk når abort kan det. Sykepleien. 1-4.
Popular scientific article
  • Show author(s) 2019. Helse-Norge kan spare mye penger - se de 15 ideene. Apollon : Forskningsmagasin for Universitetet i Oslo.
Feature article
  • Show author(s) 2020. Helseprioriteringer under en pandemi. Agenda Magasin.
  • Show author(s) 2019. Selvbestemt abort må også gjelde fosterreduksjon. Dagbladet.
  • Show author(s) 2018. Fremtidens hjerneslagdiagnostikk og hjerneslagimitatorer. Tidsskrift for Den norske legeforening. 1118-1120.
Academic chapter/article/Conference paper
  • Show author(s) 2009. Skolem + Tetration is Well-Ordered. 10 pages.
  • Show author(s) 2008. Pure Iteration and Periodicity. 10 pages.
  • Show author(s) 2008. A Characterisation of the Relations definable in Presburger Arithmetic. 12 pages.
Poster
  • Show author(s) 2019. Endring i overlevelse og karakteristika blant eldre slagpasienter på Ahus mellom 1994 og 2012.
  • Show author(s) 2018. Access to hospital-based rehabilitation among older Norwegian stroke unit patients.
  • Show author(s) 2017. THE BURDEN OF STROKE MIMICS - THE PRESENT AND FUTURE PROJECTIONS.
  • Show author(s) 2017. Differences in pre-hospital delay times among Norwegian stroke patients - 1994 versus 2012.
  • Show author(s) 2016. Using the choice sequence in time trade-off as discrete choices - do the two stories match?
  • Show author(s) 2016. End-aversion in time trade-off valuation?
Website (informational material)
  • Show author(s) 2020. Why care about severity? (Journal of medical ethics blog). .
  • Show author(s) 2020. Severity and priority setting in health care (populærvitenskapelig fremstilling, Forskningsrådet) .
  • Show author(s) 2020. Norske helseprioriteringer på ramme alvor: Hva nå? (Blogg for politisk filosofi) .
  • Show author(s) 2017. Life and Death: Apples and Oranges? Guest Post at the Journal of Medical Ethics Blog .
Article in business/trade/industry journal
  • Show author(s) 2020. Helseprioriteringer under en pandemi. Agenda Magasin.

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