Ivar Sønbø Kristiansen

Summary

Affiliation: University of Southern Denmark
Country: Denmark

Publications

  1. ncbi request reprint [Health care systems in the Nordic countries--more similarities than differences?]
    I S Kristiansen
    Institut for Sundhedstjenesteforskning Sundhedsøkonomi Syddansk Universitet, Odense
    Tidsskr Nor Laegeforen 120:2023-9. 2000
  2. ncbi request reprint Threats from patients and their effects on medical decision making: a cross-sectional, randomised trial
    I S Kristiansen
    Institute of Public Health, University of Southern Denmark, DK 5000 C, Odense, Denmark
    Lancet 357:1258-61. 2001
  3. ncbi request reprint Cost-effectiveness analysis based on the number-needed-to-treat: common sense or non-sense?
    Ivar Sønbø Kristiansen
    Institute of Public Health, Health Economic Research Unit, University of Southern Denmark, Odense C, Denmark
    Health Econ 13:9-19. 2004
  4. ncbi request reprint Economic aspects--saving billions with telemedicine: fact or fiction?
    Ivar Sønbø Kristiansen
    Institute of Public Health, Health Economics Research Unit, University of Southern Denmark, Odense, Denmark
    Curr Probl Dermatol 32:62-70. 2003
  5. ncbi request reprint Number needed to treat: easily understood and intuitively meaningful? Theoretical considerations and a randomized trial
    Ivar Sønbø Kristiansen
    Institute of Public Health, Health Economics Research Unit, University of Southern Denmark, Odense 19 Winsløw Park, DK 5000 Odense C, Denmark
    J Clin Epidemiol 55:888-92. 2002
  6. pmc General practitioners' adoption of new drugs and previous prescribing of drugs belonging to the same therapeutic class: a pharmacoepidemiological study
    Torben Dybdahl
    Research Unit of General Practice, Institute of Public Health, University of Southern Denmark, J B Winsløws Vej 9, DK 5000 Odense, Denmark
    Br J Clin Pharmacol 60:526-33. 2005
  7. pmc Medication effectiveness may not be the major reason for accepting cardiovascular preventive medication: a population-based survey
    Charlotte Gry Harmsen
    Research Unit of General Practice, University of Southern Denmark, Odense, Denmark
    BMC Med Inform Decis Mak 12:89. 2012
  8. pmc Impact of effectiveness information format on patient choice of therapy and satisfaction with decisions about chronic disease medication: the "Influence of intervention Methodologies on Patient Choice of Therapy (IMPACT)" cluster-randomised trial in gener
    Charlotte Gry Harmsen
    Research Unit of General Practice, University of Southern Denmark, Southern Denmark, Denmark
    BMC Health Serv Res 13:76. 2013
  9. ncbi request reprint Different ways to describe the benefits of risk-reducing treatments: a randomized trial
    Peder A Halvorsen
    University of Southern Denmark, Odense, Denmark
    Ann Intern Med 146:848-56. 2007
  10. ncbi request reprint Danish GPs' perception of disease risk and benefit of prevention
    Jørgen Nexøe
    Institute of Public Health, University of Southern Denmark, Odense, Winsløwparken 19, DK 5000 Odense C, Denmark
    Fam Pract 19:3-6. 2002

Detail Information

Publications29

  1. ncbi request reprint [Health care systems in the Nordic countries--more similarities than differences?]
    I S Kristiansen
    Institut for Sundhedstjenesteforskning Sundhedsøkonomi Syddansk Universitet, Odense
    Tidsskr Nor Laegeforen 120:2023-9. 2000
    ..Finnish patients may pay an extra free to get a one-bed room. Finland also has the greatest number of private hospitals. Despite all these differences, the Nordic health care systems are quite similar when seen in a global perspective...
  2. ncbi request reprint Threats from patients and their effects on medical decision making: a cross-sectional, randomised trial
    I S Kristiansen
    Institute of Public Health, University of Southern Denmark, DK 5000 C, Odense, Denmark
    Lancet 357:1258-61. 2001
    ....
  3. ncbi request reprint Cost-effectiveness analysis based on the number-needed-to-treat: common sense or non-sense?
    Ivar Sønbø Kristiansen
    Institute of Public Health, Health Economic Research Unit, University of Southern Denmark, Odense C, Denmark
    Health Econ 13:9-19. 2004
    ..The use of NNT in economic evaluations might be better avoided. To every complicated question, there is a simple, straightforward, easy--and probably wrong answer (Occam's Sledgehammer)...
  4. ncbi request reprint Economic aspects--saving billions with telemedicine: fact or fiction?
    Ivar Sønbø Kristiansen
    Institute of Public Health, Health Economics Research Unit, University of Southern Denmark, Odense, Denmark
    Curr Probl Dermatol 32:62-70. 2003
  5. ncbi request reprint Number needed to treat: easily understood and intuitively meaningful? Theoretical considerations and a randomized trial
    Ivar Sønbø Kristiansen
    Institute of Public Health, Health Economics Research Unit, University of Southern Denmark, Odense 19 Winsløw Park, DK 5000 Odense C, Denmark
    J Clin Epidemiol 55:888-92. 2002
    ..Lay people may have difficulties in understanding the meaning of NNT, and clinicians may do well to use the NNT with caution until more is known about how patients comprehend it...
  6. pmc General practitioners' adoption of new drugs and previous prescribing of drugs belonging to the same therapeutic class: a pharmacoepidemiological study
    Torben Dybdahl
    Research Unit of General Practice, Institute of Public Health, University of Southern Denmark, J B Winsløws Vej 9, DK 5000 Odense, Denmark
    Br J Clin Pharmacol 60:526-33. 2005
    ..To test the hypothesis that general practitioners (GPs) with high prescribing levels of certain drugs will adopt new drugs belonging to the same therapeutic group faster than those with low prescribing levels...
  7. pmc Medication effectiveness may not be the major reason for accepting cardiovascular preventive medication: a population-based survey
    Charlotte Gry Harmsen
    Research Unit of General Practice, University of Southern Denmark, Odense, Denmark
    BMC Med Inform Decis Mak 12:89. 2012
    ..The aim of this paper was to identify factors that may influence people's decisions and reasoning for accepting or declining a cardiovascular preventive medication offer...
  8. pmc Impact of effectiveness information format on patient choice of therapy and satisfaction with decisions about chronic disease medication: the "Influence of intervention Methodologies on Patient Choice of Therapy (IMPACT)" cluster-randomised trial in gener
    Charlotte Gry Harmsen
    Research Unit of General Practice, University of Southern Denmark, Southern Denmark, Denmark
    BMC Health Serv Res 13:76. 2013
    ..We hypothesise that patients presented with POL will be more satisfied with the communication and confident in their decision, suggesting understanding of the time-related term...
  9. ncbi request reprint Different ways to describe the benefits of risk-reducing treatments: a randomized trial
    Peder A Halvorsen
    University of Southern Denmark, Odense, Denmark
    Ann Intern Med 146:848-56. 2007
    ..Previous studies suggest that the magnitude of the NNT does not affect a layperson's decision about risk-reducing interventions, but postponement of an adverse event does affect such decisions...
  10. ncbi request reprint Danish GPs' perception of disease risk and benefit of prevention
    Jørgen Nexøe
    Institute of Public Health, University of Southern Denmark, Odense, Winsløwparken 19, DK 5000 Odense C, Denmark
    Fam Pract 19:3-6. 2002
    ....
  11. ncbi request reprint Ageing may have limited impact on future costs of primary care providers
    Jannie Madsen
    Institute of Public Health, Health Economics and Aging Research Center, University of Southern Denmark, Odense
    Scand J Prim Health Care 20:169-73. 2002
    ..To project the future costs of primary care providers in Denmark, taking into account high costs in the last year of life...
  12. ncbi request reprint Cost-effectiveness of interventions to reduce the thrombolytic delay for acute myocardial infarction
    Helle Wallach Kildemoes
    Institute of Public Health Health Economics, University of Southern Denmark, Odense
    Int J Technol Assess Health Care 20:368-74. 2004
    ....
  13. ncbi request reprint Willingness-to-pay for a population program aimed at reducing dietary salt in Denmark
    Ivar Sønbø Kristiansen
    Institute of Public Health, University of Southern Denmark, 9 J B Winslow Road, DK 5000 C Odense, Denmark
    Prev Med 43:31-5. 2006
    ..High intake of salt increases blood pressure and the risk of cardiovascular disease. Population programs aimed at reducing dietary salt may be cost-effective, but little is known about people's valuation of such programs...
  14. pmc Primary care physicians' adoption of new drugs is not associated with their clinical interests: a pharmacoepidemiologic study
    Torben Dybdahl
    Research Unit of General Practice, Institute of Public Health, University of Southern Denmark
    Scand J Prim Health Care 29:117-21. 2011
    ..9% (95% CI 5.8% to 30.0%). CONCLUSION. No clear association between GPs' self-rated clinical interest and their prescribing of new drugs was found...
  15. doi request reprint Effects of alternative styles of risk information on EMF risk perception
    Jesper Bo Nielsen
    Institute of Public Health, University of Southern Denmark, Odense, Denmark
    Bioelectromagnetics 31:504-12. 2010
    ..Further, the results demonstrate that information may increase concern among a large proportion of the population, and that discrepancies exist between expressed concern and intended behavior...
  16. ncbi request reprint Willingness-to-pay for a statistical life in the times of a pandemic
    Dorte Gyrd-Hansen
    Institute of Public Health, University of Southern Denmark, Odense, Denmark
    Health Econ 17:55-66. 2008
    ..The results suggest that fear and anxiety distort decision making under uncertainty and decrease focus on the perceived risk reduction...
  17. ncbi request reprint Cost-effectiveness of alendronate in the prevention of osteoporotic fractures in Danish women
    Palle Mark Christensen
    Research Unit of Clinical Pharmacology, University of Southern Denmark, 5000 Odense, Denmark
    Basic Clin Pharmacol Toxicol 96:387-96. 2005
    ..In conclusion, the use of alendronate compares well with other well established therapies in terms of cost-effectiveness in older women with high risk of fracture...
  18. ncbi request reprint How do individuals apply risk information when choosing among health care interventions?
    Dorte Gyrd-Hansen
    Institute of Public Health, Health Economic Unit, University of Southern Denmark, Winslowparken 19, 3, DK 5000 Odense C, Denmark
    Risk Anal 23:697-704. 2003
    ..Those respondents who had received < or = 10 years of schooling demonstrated preferences for RRR but not ARR, and no impact of social framing was observed...
  19. ncbi request reprint The impact of population ageing on future Danish drug expenditure
    Helle Wallach Kildemoes
    Institute of Public Health, Research Unit of Health Economics, University of Southern Denmark, Winsløws Vej 9, DK 5000 Odense C, Denmark
    Health Policy 75:298-311. 2006
    ....
  20. ncbi request reprint Does the early adopter of drugs exist? A population-based study of general practitioners' prescribing of new drugs
    Torben Dybdahl
    Research Unit of General Practice, Institute of Public Health, University of Southern Denmark, Winsløwparken 19, 3rd, 5000, Odense C, Denmark
    Eur J Clin Pharmacol 60:667-72. 2004
    ..To analyse associations between indicators for adoption of new drugs and to test the hypothesis that physicians' early adoption of new drugs is a personal trait independent of drug groups...
  21. ncbi request reprint Preferences for 'life-saving' programmes: small for all or gambling for the prize?
    Dorte Gyrd-Hansen
    Institute of Public Health, University of Southern Denmark, Odense C, Denmark
    Health Econ 17:709-20. 2008
    ..If the results of this study reflect widespread preferences, the standard methods in cost-effectiveness/cost-utility analysis may misinform decision makers...
  22. ncbi request reprint Critiques of the risk concept--valid or not?
    Jørgen Nexøe
    Research Unit of General Practice, University of Southern Denmark, Odense C, Denmark
    Scand J Public Health 35:648-54. 2007
    ..It is concluded that risk critique should be based on sound theory and empirical data. Critics may do well in making clear distinctions between facts and value judgements...
  23. ncbi request reprint Decisions on drug therapies by numbers needed to treat: a randomized trial
    Peder Andreas Halvorsen
    The Research Unit of General Practice, Institute of Public Health, University of Southern Denmark, Odense
    Arch Intern Med 165:1140-6. 2005
    ..The number needed to treat (NNT) has been promoted as the preferred effect measure when patients and physicians share decision making. Our aim was to explore the impact of the NNT on laypeople's decisions about preventive drug therapies...
  24. ncbi request reprint Effects of baseline risk information on social and individual choices
    Dorte Gyrd-Hansen
    Institute of Public Health, University of Southern Denmark, Odense
    Med Decis Making 22:71-5. 2002
    ..A solution to this problem may be to not present group-specific baseline risk information when eliciting preferences...
  25. ncbi request reprint Future health care costs--do health care costs during the last year of life matter?
    Jannie Madsen
    Institute of Public Health, Health Economics and Aging Research Center, 19 Winsløw Park, University of Southern Denmark, DK 5000 C Odense, Denmark
    Health Policy 62:161-72. 2002
    ..Furthermore, ageing per se seems to have considerable impact on future health care costs...
  26. ncbi request reprint Number-needed-to-treat (NNT)--needs treatment with care
    Palle Mark Christensen
    Research Unit of Clinical Pharmacology and Research Unit for General Practice, University of Southern Denmark, Odense, Denmark
    Basic Clin Pharmacol Toxicol 99:12-6. 2006
    ..Finally, empirical studies indicate that lay people and doctors misunderstand NNT. We recommend that NNT be used with considerable care. There is probably no single effect measure that is able to convey all necessary information...
  27. ncbi request reprint A randomized trial of laypersons' perception of the benefit of osteoporosis therapy: number needed to treat versus postponement of hip fracture
    Palle Mark Christensen
    Research Unit of Clinical Pharmacology, Institute of Public Health, University of Southern Denmark, Winsloewparken 19, 5000 Odense C, Denmark
    Clin Ther 25:2575-85. 2003
    ..An alternative to such risk-based measures is postponement of an adverse outcome (eg, hip fracture in the case of osteoporosis)...
  28. ncbi request reprint Perception of risk information. Similarities and differences between Danish and Polish general practitioners
    Jørgen Nexøe
    Research Unit of General Practice, University of Southern Denmark, Odense
    Scand J Prim Health Care 20:183-7. 2002
    ..The objective of the study was to gain better insight into how general practitioners (GPs) perceive risk reduction and the way this perception may be influenced by healthcare environment...
  29. ncbi request reprint Communicating treatment effectiveness in the context of chronic disease processes
    Ivar Sønbø Kristiansen
    University of Oslo, Institute of Health Management and Health Economics, PO Box 1089 Blindern, N 0317 Oslo, Norway and University of Southern Denmark, Institute of Public Health General Practice Research Unit JB Winsløwsvej 9B, DK 5000 C, Odense, Denmark
    Expert Rev Pharmacoecon Outcomes Res 6:673-9. 2006
    ..Since the distribution of outcomes affects patients' valuation of interventions, more research into risk communication is likely to lead to improved decision making...