- E-mailMathias.Barra@uib.no
- Phone+47 408 47 204+47 408 47 204
- Visitor AddressAlrek helseklynge, blokk D, Årstadveien 175009 Bergen
- Postal AddressPostboks 78045020 Bergen
Academic article
- (2022). Stroke unit demand in Norway – present and future estimates. BMC Health Services Research. 1-10.
- (2021). Stroke Mimics on the Stroke Unit – Temporal trends 2008–2017 at a large Norwegian university hospital. Acta Neurologica Scandinavica. 695-705.
- (2021). Public health priority setting: A case for priority to the worse off in well-being during the COVID-19 pandemic. Etikk i praksis. 5-15.
- (2021). Nursing students’ evaluation of clinical learning environment and supervision in a Norwegian hospital placement – A questionnaire survey using CLES+T scale. Nurse Education in Practice. 8 pages.
- (2021). Is COVID-19 severe? The Norwegian severity criterion for priority setting meets the pandemic. Tidsskrift for velferdsforskning. 1-14.
- (2021). Cycle-network expansion plan in Oslo: Modeling cost-effectiveness analysis and health equity impact. Health Economics. 3220-3235.
- (2021). Abortion and multifetal pregnancy reduction: An ethical comparison (English translation). Etikk i praksis. 51-73.
- (2020). The devils in the DALY: Prevailing evaluative assumptions. Public Health Ethics. 259-274.
- (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.
- (2020). Should we discount future health benefits? Pro et contra. Norsk Filosofisk tidsskrift. 170-184.
- (2020). Do not despair about severity—yet. Journal of Medical Ethics. 1-2.
- (2020). A Markov chain method for counting and modelling migraine attacks. Scientific Reports. 1-10.
- (2019). Using the choice sequence in time trade-off as discrete choices: do the two stories match? Value in Health. 1-8.
- (2019). Stroke-Related Knowledge and Lifestyle Behavior among Stroke Survivors. Journal of Stroke & Cerebrovascular Diseases. 1-7.
- (2019). Stroke incidence in the young: evidence from a Norwegian register study. Journal of Neurology. 1-17.
- (2019). Severity as a priority setting criterion: Setting a challenging research agenda. Health Care Analysis. 1-20.
- (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.
- (2019). Identifying menstrual migraine- improving the diagnostic criteria using a statistical method. The Journal of Headache and Pain. 12 pages.
- (2019). Fewer ischemic strokes, despite an ageing population: stroke models from observed incidence in Norway 2010–2015. BMC Health Services Research. 11 pages.
- (2019). Consistency is not overrated. Journal of Medical Ethics. 830-831.
- (2019). Changes in survival and characteristics among older stroke unit patients-1994 versus 2012. Brain and Behavior.
- (2019). Bruk ordet fosterantallsreduksjon. Tidsskrift for Den norske legeforening. 3 pages.
- (2019). Abort og fosterreduksjon: En etisk sammenligning. Etikk i praksis. 89-111.
- (2018). The Burden of Stroke Mimics: Present and Future Projections. Journal of Stroke & Cerebrovascular Diseases. 1288-1295.
- (2018). Differences in and Determinants of Prehospital Delay Times among Stroke Patients?1994 Versus 2012. Journal of Stroke & Cerebrovascular Diseases. 2398-2404.
- (2018). Choice Defines Value: A Predictive Modeling Competition in Health Preference Research. Value in Health. 229-238.
- (2018). A Norwegian 15D value algorithm: proposing a new procedure to estimate 15D value algorithms. Quality of Life Research. 1-15.
- (2017). The disvalue of death in the global burden of disease. Journal of Medical Ethics. 192-198.
- (2017). Do hybrid simulation models always increase flexibility to handle parametric and structural changes? Winter simulation conference : proceedings. 1439-1450.
- (2017). Cues and clues predicting presence of symptoms of depression in stroke survivors. Journal of Clinical Nursing (JCN). 546-556.
- (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.
- (2016). Conflicts or synergy when combining modeling approaches - Perspectives from psychology. Winter simulation conference : proceedings.
- (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.
- (2015). Statistical Testing of Association Between Menstruation and Migraine. Headache. 229-240.
- (2015). Sesongjusterte fødselsfrekvenser er Poisson-fordelte. Tidsskrift for Den norske legeforening. 2154-2158.
- (2015). Examining the relationship between health-related quality of life and increasing numbers of diagnoses. Quality of Life Research. 10 pages.
- (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.
- (2010). Bounded minimalisation and bounded counting in argument-bounded idc's. Mathematical Structures in Computer Science. 753-779.
- (2005). The small Grzegorczyk classes and the typed lambda-calculus. Lecture Notes in Computer Science (LNCS).
Lecture
- (2019). Kriterier for helseprioriteringer .
- (2019). Hjerneslagimitatorer ved Haukeland universitetssykehus 2008-2017.
- (2018). Survival in older Norwegian stroke patients.
- (2018). Changes in survival, risk factors and stroke characteristics among older Norwegian stroke unit patients.
Popular scientific lecture
- (2006). Uendelighet, Cantor og matematiske misforståelser.
Academic lecture
- (2021). Subjective accounts of severity.
- (2021). ISPOR 2021 - Drop Dead: Is It Time to Remove 'Dead' from Health State Valuation?
- (2020). The impact of stroke severity on health related quality of life in patients with acute cerebrovascular disease and their informal caregivers.
- (2020). SEVPRI.
- (2020). Presentation of SEVPRI .
- (2019). The development of workshops to introduce computer simulation modelling health care decision-makers in familiar contexts.
- (2019). The Devils in the DALY: Evaluating disease burden in the Global Burden of Disease study.
- (2019). Slaginsidens i alle aldre – tidstrender og fremskrivninger.
- (2019). Factors predicting access to post-acute inpatient rehabilitation following stroke.
- (2018). Patterns and predictors of referral to rehabilitation among older Norwegian stroke unit patients.
- (2018). Fremskrivinger av forekomst av hjerneslag i Norge.
- (2018). Endring i overlevelse og karakteristika blant eldre slagpasienter på Ahus mellom 1994 og 2012.
- (2017). Using bootstrapping to reflect variance in resource demand in simulation modeling of patient flow; the case of stroke treatment in Norway.
- (2017). The Disvalue of Death and the Global Burden of Disease.
- (2017). TRENDS IN STROKE SEVERITY AND BASELINE RISK PROFILE IN PATIENTS TREATED ON A COMPREHENSIVE STROKE UNIT IN NORWAY IN 1994 VERSUS 2012.
- (2017). Survival of the fittest? Frailty modelling of stroke incidence.
- (2017). Effects of stroke on labour force participation for patients and family caregivers.
- (2017). Differences in pre-hospital delay times in greater Oslo and Akershus County in 1994 versus 2012.
- (2016). Using the choice sequence in Time trade-off as Discrete Choices – do the two stories match?
- (2016). The Disvalue of Death in the Global Burden of Disease.
- (2016). Nesten perfekt helse -er det virkelig så ille?
- (2016). Flexible healthcare hybrid simulation modeling.
- (2014). Additional condtions add up to little HRQoL.
- (2010). The Ordinal of Skolem + Tetration is \tau_0.
- (2009). Skolem + Tetration is Well-Ordered.
- (2009). On relativized detour degrees.
- (2008). Relativised Detour Degrees.
- (2008). Pure Iteration and Periodicity.
- (2008). A Characterisation of the Relations Definable in Presburger Arithmetic.
- (2006). On some small subreecursive classes.
- (2006). On some small subrecursive classes.
- (2006). Nondeterminism without Turing Machines.
- (2005). The small Grzegorczyk classes and the typed lambda-calculus.
Reader opinion piece
- (2019). Fosterantallsreduksjon som risikoreduksjon består. Sykepleien. 1-2.
- (2019). Fosterantallsreduksjon kan forsvares etisk når abort kan det. Sykepleien. 1-4.
Popular scientific article
- (2019). Helse-Norge kan spare mye penger - se de 15 ideene. Apollon : Forskningsmagasin for Universitetet i Oslo.
Feature article
- (2020). Helseprioriteringer under en pandemi. Agenda Magasin.
- (2019). Selvbestemt abort må også gjelde fosterreduksjon. Dagbladet.
- (2018). Fremtidens hjerneslagdiagnostikk og hjerneslagimitatorer. Tidsskrift for Den norske legeforening. 1118-1120.
Academic chapter/article/Conference paper
- (2009). Skolem + Tetration is Well-Ordered. 10 pages.
- (2008). Pure Iteration and Periodicity. 10 pages.
- (2008). A Characterisation of the Relations definable in Presburger Arithmetic. 12 pages.
Abstract
- (2022). Priority setting in Norwegian municipal health and care services: A content analysis of policy documents. BMJ Global Health. 1 pages.
Poster
- (2019). Endring i overlevelse og karakteristika blant eldre slagpasienter på Ahus mellom 1994 og 2012.
- (2018). Access to hospital-based rehabilitation among older Norwegian stroke unit patients.
- (2017). THE BURDEN OF STROKE MIMICS - THE PRESENT AND FUTURE PROJECTIONS.
- (2017). Differences in pre-hospital delay times among Norwegian stroke patients - 1994 versus 2012.
- (2016). Using the choice sequence in time trade-off as discrete choices - do the two stories match?
- (2016). End-aversion in time trade-off valuation?
Website (informational material)
- (2020). Why care about severity? (Journal of medical ethics blog). .
- (2020). Severity and priority setting in health care (populærvitenskapelig fremstilling, Forskningsrådet) .
- (2020). Norske helseprioriteringer på ramme alvor: Hva nå? (Blogg for politisk filosofi) .
- (2017). Life and Death: Apples and Oranges? Guest Post at the Journal of Medical Ethics Blog .
Article in business/trade/industry journal
- (2020). Helseprioriteringer under en pandemi. Agenda Magasin.
More information in national current research information system (CRIStin)