Ivar Sønbø Kristiansen

• Burger, Emily; Kornør, Hege; Klemp, Marianne; Lauvrak, Vigdis & Kristiansen, Ivar Sønbø (2011). HPV mRNA tests for the detection of cervical intraepithelial neoplasia: A systematic review. Gynecologic Oncology.  ISSN 0090-8258.  120(3), s 430- 438 . doi: 10.1016/j.ygyno.2010.11.013
• Bøhmer, Ellen; Kristiansen, Ivar Sønbø; Arnesen, Harald & Halvorsen, Sigrun (2011). Health and cost consequences of early versus late invasive strategy after thrombolysis for acute myocardial infarction. European Journal of Cardiovascular Prevention & Rehabilitation.  ISSN 1741-8267.  18(5), s 717- 723 . doi: 10.1177/1741826711398425
• Dybdahl, Torben; Søndergaard, Jens; Kragstrup, Jakob; Kristiansen, Ivar Sønbø & Andersen, Morten (2011). Primary care physicians' adoption of new drugs is not associated with their clinical interests: A pharmacoepidemiologic study. Scandinavian Journal of Primary Health Care.  ISSN 0281-3432.  29(2), s 117- 121 . doi: 10.3109/02813432.2011.570024
• Fuglenes, Dorthe; Aas, Eline; Botten, Grete Synøve; Øian, Pål & Kristiansen, Ivar Sønbø (2011). Why do some pregnant women prefer cesarean? The influence of parity, delivery experiences, and fear. American Journal of Obstetrics and Gynecology.  ISSN 0002-9378.  205(1) . doi: 10.1016/j.ajog.2011.03.043
• Gyrd-Hansen, Dorte; Halvorsen, Peder Andreas; Nexoe, J; Nielsen, Jesper Bo; Stovring, H & Kristiansen, Ivar Sønbø (2011). Joint and Separate Evaluation of Risk Reduction: Impact on Sensitivity to Risk Reduction Magnitude in the Context of 4 Different Risk Information Formats. Medical decision making.  ISSN 0272-989X.  31(1), s E1- E10 . doi: 10.1177/0272989X10391268
• Halvorsen, Peder Andreas; Wisløff, Torbjørn; Støvring, Henrik; Aasland, Olaf Gjerløw & Kristiansen, Ivar Sønbø (2011). Therapeutic decisions by number needed to treat and survival gains: a cross-sectional survey of lipid-lowering drug recommendations. . British Journal of General Practice.  ISSN 0960-1643.  61(589), s e477- e483
• Latipov, Renat; Kuatbaeva, Aynagul; Kristiansen, Olga; Aubakirova, Saltanat; Akhanaeva, Ulbosin; Kristiansen, Ivar Sønbø & Flem, Elmira (2011). Economic burden of rotavirus disease in children under 5 years in Kazakhstan. Vaccine.  ISSN 0264-410X.  29(24), s 4175- 4180 . doi: 10.1016/j.vaccine.2011.03.019
• Rand-Hendriksen, Kim; Augestad, Liv Ariane; Kristiansen, Ivar Sønbø & Stavem, Knut (2011). Comparison of hypothetical and experienced EQ-5D valuations: relative weights of the five dimensions . Quality of Life Research.  ISSN 0962-9343. . doi: 10.1007/s11136-011-0016-3
• Ringen, Hanne Osnes; Kvamme, Maria Knoph; Kristiansen, Ivar Sønbø; Thingstad, Marianne; Henriksen, Jan Egil; Kvien, Tore Kristian & Dagfinrud, Hanne (2011). Cost-effectiveness analyses of elective orthopaedic surgical procedures in patients with inflammatory arthropathies. Scandinavian Journal of Rheumatology.  ISSN 0300-9742.  40(2), s 108- 115 . doi: 10.3109/03009742.2010.503661
• Spronk, Sandra; van Kempen, Bob JH; Boll, Albertus PM; Jørgensen, Jørgen J.; Hunink, MG Myriam & Kristiansen, Ivar Sønbø (2011). Cost-effectiveness of screening for abdominal aortic aneurysm in the Netherlands and Norway. British Journal of Surgery.  ISSN 0007-1323.  98(11), s 1546- 1555 . doi: 10.1002/bjs.7620
• Wisløff, Torbjørn; Aalen, Odd O. & Kristiansen, Ivar Sønbø (2011). Considerable variation in NNT - A study based on Monte Carlo simulations. Journal of Clinical Epidemiology.  ISSN 0895-4356.  64(4), s 444- 450 . doi: 10.1016/j.jclinepi.2010.04.025
• Wisløff, Torbjørn; Atar, Dan & Kristiansen, Ivar Sønbø (2011). Cost Effectiveness of Drug-Eluting Stents as Compared With Bare Metal Stents in Patients With Coronary Artery Disease.. American Journal of Therapeutics.  ISSN 1075-2765. . doi: 10.1097/MJT.0b013e3182211a01
• Desser, Arna S.; Gyrd-Hansen, Dorte; Olsen, Jan Abel; Grepperud, Sverre & Kristiansen, Ivar Sønbø (2010). Societal views on orphan drugs: cross sectional survey of Norwegians aged 40 to 67. BMJ. (British Medical Journal).  ISSN 0959-8146.  341(c4715) . doi: BMJ 2010; 341:c4715
• Fjalestad, Tore; Hole, Margrethe Øye; Jørgensen, Jørgen J.; Strømsøe, Knut & Kristiansen, Ivar Sønbø (2010). Health and cost consequences of surgical versus conservative treatment for a comminuted proximal humeral fracture in elderly patients. Injury.  ISSN 0020-1383.  41(6), s 599- 605 . doi: 10.1016/j.injury.2009.10.056
• Fuglenes, Dorthe; Øian, Pål; Gyrd-Hansen, D; Olsen, Jan Abel & Kristiansen, Ivar Sønbø (2010). Norwegian obstetricians' opinions about cesarean section on maternal request: should women pay themselves?. Acta Obstetricia et Gynecologica Scandinavica.  ISSN 0001-6349.  89(12), s 1582- 1588 . doi: 10.3109/00016349.2010.526181
• Halvorsen, Peder A; Selmer, Randi Marie & Kristiansen, Ivar S (2010). Anticipated longevity among lay people screened for cardiovascular risk factors: A cross-sectional questionnaire study. Scandinavian Journal of Public Health.  ISSN 1403-4948.  38(5), s 481- 488 . doi: 10.1177/1403494810370235
• Kvamme, Maria Knoph; Gyrd-Hansen, Dorte; Olsen, Jan Abel & Kristiansen, Ivar Sønbø (2010). Increasing marginal utility of small increases in life-expectancy? Results from a population survey. Journal of Health Economics.  ISSN 0167-6296.  29(4), s 541- 548 . doi: 10.1016/j.jhealeco.2010.03.010
• Kvamme, Maria Knoph; Kristiansen, Ivar Sønbø; Lie, Elisabeth & Kvien, Tore Kristian (2010). Identification of Cutpoints for Acceptable Health Status and Important Improvement in Patient-Reported Outcomes, in Rheumatoid Arthritis, Psoriatic Arthritis, and Ankylosing Spondylitis. Journal of Rheumatology.  ISSN 0315-162X.  37(1), s 26- 31 . doi: 10.3899/jrheum.090449
• Lillegraven, Siri; Kristiansen, Ivar Sønbø & Kvien, Tore Kristian (2010). Comparison of utility measures and their relationship with other health status measures in 1041 patients with rheumatoid arthritis. Annals of the Rheumatic Diseases.  ISSN 0003-4967.  69(10), s 1762- 1767 . doi: 10.1136/ard.2009.124099
• Nielsen, Jesper Bo; Elstein, Arthur S; Gyrd-Hansen, D; Kildemoes, HW; Kristiansen, Ivar Sønbø & Støvring, H (2010). Effects of Alternative Styles of Risk Information on EMF Risk Perception. Bioelectromagnetics.  ISSN 0197-8462.  31(7), s 504- 512 . doi: 10.1002/bem.20586
• Solli, Oddvar; Jenssen, Trond Geir & Kristiansen, Ivar Sønbø (2010). Diabetes: cost of illness in Norway. BMC Endocrine Disorders.  ISSN 1472-6823.  10(15) . doi: 10.1136/bmj.c4715
• Solli, Oddvar; Stavem, Knut & Kristiansen, Ivar Sønbø (2010). Health-related quality of life in diabetes: The associations of complications with EQ-5D scores. Health and Quality of Life Outcomes.  ISSN 1477-7525.  8 . doi: 10.1186/1477-7525-8-18
• Wisløff, Torbjørn; Aalen, Odd O. & Kristiansen, Ivar Sønbø (2010). Considerable variation in NNT - A study based on Monte Carlo simulations. Journal of Clinical Epidemiology.  ISSN 0895-4356. . doi: 10.1016/j.jclinepi.2010.04.025
• Xue, Yiting; Kristiansen, Ivar Sønbø & De Blasio, Birgitte Freiesleben (2010). Modeling the cost of influenza: the impact of missing costs of unreported complications and sick leave. BMC Public Health.  ISSN 1471-2458.  10(724) . doi: 10.1186/1471-2458-10-724
• Fuglenes, D; Oian, P; Øian, Pål & Kristiansen, Ivar Sønbø (2009). Obstetricians' choice of cesarean delivery in ambiguous cases: is it influenced by risk attitude or fear of complaints and litigation?. American Journal of Obstetrics and Gynecology.  ISSN 0002-9378.  200(1) . doi: 10.1016/j.ajog.2008.07.021
• Hamidi, Vida; Andersen, Marit Helen; Øyen, Ole; Mathisen, Lars; Fosse, Erik & Kristiansen, Ivar Sønbø (2009). Cost effectiveness of open versus laparoscopic living-donor nephrectomy. Transplantation.  ISSN 0041-1337.  87(6), s 831- 838 . doi: 10.1097/TP.0b013e318199cfc9
• Kristiansen, Ivar Sønbø; Bingefors, K; Nyholm, D & Isacson, D (2009). Short-term cost and health consequences of duodenal levodopa infusion in advanced Parkinson's disease in Sweden: an exploratory analysis. Applied Health Economics and Health Policy.  ISSN 1175-5652.  7(3), s 167- 180
• Kristiansen, Ivar Sønbø; Elstein, Arthur S; Gyrd-Hansen, Dorte; Kildemoes, Helle Wallach & Nielsen, Jesper Bo (2009). Radiation From Mobile Phone Systems: Is it Perceived as a Threat to People's Health?. Bioelectromagnetics.  ISSN 0197-8462.  30(5), s 393- 401 . doi: 10.1002/bem.20484
• Kristiansen, Ivar Sønbø; Halvorsen, Peder Andreas & Nexøe, Jørgen (2009). Kritik av riskbegrepet-berätigad eller ej, I: John Brodersen; Birgitta Hovelius & Lotta Hvas (red.),  Skapar vården ohälsa?.  Studentlitteratur.  ISBN 9789144052557.  kapittel 25.  s 317 - 328
• Ulvenes, Lidziya Vanahel; Aasland, Olaf Gjerløw; Nylenna, Magne & Kristiansen, Ivar Sønbø (2009). Knowledge of and Opinions about Evidence-Based Medicine: Cross-Sectional Study. PLoS ONE.  ISSN 1932-6203. . doi: 10.1371/journal.pone.0007828
• Bergman, A; Hjelmgren, J; Ortqvist, A; Wilsloff, T; Kristiansen, Ivar Sønbø; Hogberg, LD; Persson, KMS et al. (2008). Cost-effectiveness analysis of a universal vaccination programme with the 7-valent pneumococcal conjugate vaccine (PCV-7) in Sweden. Scandinavian Journal of Infectious Diseases.  ISSN 0036-5548.  40, s 721- 729 . doi: 10.1080/00365540802014872
• Gyrd-Hansen, D; Halvorsen, Peder Andreas & Kristiansen, ivar sØnbØ (2008). Willingness-to-pay for a statistical life in the times of a pandemic. Health Economics.  ISSN 1057-9230.  17(1), s 55- 66 . doi: 10.1002/hec.1236
• Gyrd-Hansen, D & Kristiansen, Ivar Sønbø (2008). Preferences for 'life-saving' programmes: Small for all or gambling for the prize?. Health Economics.  ISSN 1057-9230.  17, s 709- 720 . doi: 10.1002/hec.1288
• Isacson, D; Bingefors, K; Kristiansen, Ivar Sønbø & Nyholm, D (2008). Fluctuating functions related to quality of life in advanced Parkinson disease: effects of duodenal levodopa infusion. Acta Neurologica Scandinavica.  ISSN 0001-6314.  118(6), s 379- 386 . doi: 10.1111/j.1600-0404.2008.01049.x
• Kristiansen, Ivar Sønbø (2008). Cost effectivness analysis of screening for neonatal alloimmune thrombocytopenia. International Journal of Gynecology & Obstetrics.  ISSN 0020-7292.  115(413)
• Kristiansen, Ivar Sønbø (2008). Helseøkonomi, I: Øivind Larsen; Anne Alvik; Kristian Hagestad & Magne Nylenna (red.),  Samfunnsmedisin.  Gyldendal Akademisk.  ISBN 978-82-05-34459-4.  Kapittel.
• Levorsen, Andrée; Kristiansen, Ivar Sønbø & Aasland, Olaf Gjerløw (2008). Legers erfaringer med individuell refusjon for legemidler. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  128(16), s 1829- 1832
• Sorensen, L; Gyrd-Hansen, D; Kristiansen, Ivar Sønbø; Nexoe, J & Nielsen, JB (2008). Laypersons' understanding of relative risk reductions: Randomised cross-sectional study. BMC Medical Informatics and Decision Making.  ISSN 1472-6947.  8 . doi: 10.1186/1472-6947-8-31
• Stovring, H; Gyrd-Hansen, D; Kristiansen, Ivar Sønbø; Nexoe, J & Nielsen, JB (2008). Communicating effectiveness of intervention for chronic diseases: what single format can replace comprehensive information?. BMC Medical Informatics and Decision Making.  ISSN 1472-6947.  8 . doi: 10.1186/1472-6947-8-25
• Zebis, LR; Christensen, TD; Kristiansen, Ivar Sønbø & Hjortdal, VE (2008). Amiodarone cost effectiveness in preventing atrial fibrillation after coronary artery bypass graft surgery. Annals of Thoracic Surgery.  ISSN 0003-4975.  85, s 28- 33 . doi: 10.1016/j.athoracsur.2007.07.060
• Uhlig, T; Loge, Jon Håvard; Kristiansen, Ivar Sønbø & Kvien, Tore Kristian (2007). Quantification of reduced health-related quality of life in patients with rheumatoid arthritis compared to the general population. Journal of Rheumatology.  ISSN 0315-162X.  34(6), s 1241- 1247
• Dahl, R; Gyrd-Hansen, D; Kristiansen, Ivar Sønbø; Nexoe, J & Nielsen, JB (2007). Can postponement of an adverse outcome be used to present risk reductions to a lay audience? A population survey. BMC Medical Informatics and Decision Making.  ISSN 1472-6947.  7 . doi: 10.1186/1472-6947-7-8
• Halvorsen, Peder Andreas; Selmer, R & Kristiansen, ivar sØnbØ (2007). Different ways to describe the benefits of risk-reducing treatments - A randomized trial. Annals of Internal Medicine.  ISSN 0003-4819.  146
• Killie, MK; Kjeldsen-Kragh, J; Husebekk, Anne; Skogen, Bjørn Ragnar; Olsen, Jan Abel & Kristiansen, ivar sØnbØ (2007). Cost-effectiveness of antenatal screening for neonatal alloimmune thrombocytopenia. British Journal of Obstetrics and Gynecology.  ISSN 1470-0328.  114 . doi: 10.1111/j.1471-0528.2007.01289.x
• Kristiansen, Ivar Sønbø & Gyrd-Hansen, Dorte (2007). Prioritering og helse - bør det innføres makspris på leveår?. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  127(1), s 54- 57
• Kristiansen, Ivar Sønbø; Halvorsen, Peder Andreas & Gyrd-Hansen, D (2007). Influenza pandemic: perception of risk and individual precautions in a general population. Cross sectional study. BMC Public Health.  ISSN 1471-2458.  7 . doi: 10.1186/1471-2458-7-48
• Nexoe, J; Halvorsen, Peder Andreas & Kristiansen, ivar sØnbØ (2007). Critiques of the risk concept - valid or not?. Scandinavian Journal of Public Health.  ISSN 1403-4948.  35, s 648- 654 . doi: 10.1080/14034940701418897
• Romøren, Maria; Hussein, Fatma; Steen, Tore W.; Velauthapillai, Man; Sundby, Johanne; Hjortdahl, Per & Kristiansen, Ivar Sønbø (2007). Costs and health consequences of chlamydia management strategies among pregnant women in sub-Saharan Africa. Sexually Transmitted Infections.  ISSN 1368-4973.  83, s 558- 566 . doi: 10.1136/sti.2007.026930
• Christensen, Palle Mark & Kristiansen, Ivar Sønbø (2006). Number-needed-to-treat (NNT) - needs treatment with care. Basic & Clinical Pharmacology & Toxicology.  ISSN 1742-7835.  99, s 12- 16
• Kildemoes, HW; Christiansen, T; Gyrd-Hansen, D; Kristiansen, Ivar Sønbø & Andersen, M (2006). The impact of population ageing on future Danish drug expenditure. Health Policy.  ISSN 0168-8510.  75, s 298- 311
• Kristiansen, Ivar Sønbø & Gyrd-Hansen, Dorte (2006). Communicating treatment effectiveness in the context of chronic disease processes. Expert review of pharmacoeconomics & outcomes research.  ISSN 1473-7167.  6, s 673- 679
• Lofthus, Cathrine Marie; Osnes, Evind Kaare; Meyer, Haakon E; Kristiansen, Ivar Sønbø; Nordsletten, Lars & Falch, Jan Arvid (2006). Young patients with hip fracture: a population-based study of bone mass and risk factors for osteoporosis. Osteoporosis International.  ISSN 0937-941X.  17(11), s 1666- 1672
• Nexøe, Jørgen & Kristiansen, Ivar Sønbø (2006). Risikobegreber. Månedsskrift for praktisk lægegjerning.  ISSN 0373-2746.  84, s 487- 497
• Wisløff, Torbjørn Fosen; Abrahamsen, Tore G.; Bergsaker, Marianne A Riise & Kristiansen, Ivar Sønbø (2006). Vaksinering - er det verdt pengene?. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  126(20), s 2670- 2673
• Wisløff, Torbjørn Fosen; Abrahamsen, Tore G.; Bergsaker, Marianne A Riise; Løvoll, Øistein; Møller, Per; Pedersen, Maren Kristine & Kristiansen, Ivar Sønbø (2006). Cost effectiveness of adding 7-valent pneumococcal conjugate (PCV-7) vaccine to the Norwegian childhood vaccination program. Vaccine.  ISSN 0264-410X.  24(29-30), s 5690- 5699 . doi: 10.1016/j.vaccine.2006.04.042
• Wisløff, Torbjørn Fosen; Abrahamsen, Tore G; Bergsaker, Marianne; Løvoll, Ø. & Kristiansen, Ivar Sønbø (2006). Vaksinering - er det verdt pengene?. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  126, s 2670- 3
• Christensen, Palle Mark; Brixten, Kim; Gyrd-Hansen, Dorte & Kristiansen, Ivar Sønbø (2005). Cost-Effectiveness of Alendronate in the Prevention of Osteporic Fractures in Danish Women. Pharmacology and Toxicology.  ISSN 0901-9928.  96, s 387- 396
• Christensen, Palle; Brixen, Kim & Kristiansen, Ivar Sønbø (2005). Cost-effectiveness of alendronate in the prevention of osteoporotic fractures in Danish women. Basic & Clinical Pharmacology.  ISSN 0891-2033.  96, s 387- 396
• Halvorsen, PA & Kristiansen, Ivar Sønbø (2005). Decisions on drug therapies by numbers needed to treat - A randomized trial. Archives of Internal Medicine.  ISSN 0003-9926.  165
• Kristiansen, Ivar Sønbø; Nexøe, Jørgen; Gyrd-Hansen, Dorte & Nielsen, Jesper Bo (2005). Influence of number needed to treat, costs and outcome on preferences for a preventive drug. Family Practice.  ISSN 0263-2136.  22, s 1- 6
• Lofthus, Cathrine Marie; Cappelen, Inger; Osnes, Eivind Kaare; Falch, Jan Arvid; Kristiansen, Ivar Sønbø; Medhus, Asle Wilhelm; Nordsletten, Lars et al. (2005). Local and national electronic databases in Norway demonstrate a varying degree of validity.. Journal of Clinical Epidemiology.  ISSN 0895-4356.  58, s 280- 285
• Nexøe, Jørgen & Kristiansen, Ivar Sønbø (2005). Risikokommunikation i relation til sundhedsfremme og forebyggelse. Ugeskrift for læger.  ISSN 0041-5782.  167, s 4673- 4673
• Selmer, Randi Marie; Halvorsen, Sigrun; Myhre, Kurt I; Wisløff, Torbjørn Fosen & Kristiansen, Ivar Sønbø (2005). Cost-effectiveness of primary percutaneous coronary intervention versus thrombolytic therapy for acute myocardial infarction. Scandinavian Cardiovascular Journal.  ISSN 1401-7431.  39, s 276- 285 . doi: 10.1080/14017430510035988
• Selmer, Randi; Halvorsen, Sigrun; Myhre, Kurt; Wisløff, Torbjørn Fosen & Kristiansen, Ivar Sønbø (2005). Cost-effectiveness of primary percutaneous coronary intervention versus throbolytic therapy for acute myocardial infarction. Scandinavian Cardiovascular Journal.  ISSN 1401-7431.  39, s 276- 85

Se alle arbeider i Cristin

• Kristiansen, Ivar Sønbø & Mooney, Gavin (2006). Evidence-based medicine - in its place. Routledge.  ISBN 0-415-39462-7.

Se alle arbeider i Cristin

• Hagen, Gunhild; Wisløff, Torbjørn; Falch, Jan; Lofthus, Cathrine; Frihagen, Frede; Wensaas, Knut-Arne; Granum, Lars et al. (2011). Efficacy and cost-effectiveness of alendronate for the prevention of fractures in postmenopausal women in Norway .
• Desser, Arna S. & Kristiansen, Ivar Sønbø (2010, 24. september). Ikke helse for enhver pris.  Aftenposten.
• Hagen, Gunhild; Wisløff, Torbjørn; Falch, Jan; Lofthus, Cathrine; Frihagen, Frede; Wensaas, Knut-Arne; Granum, Lars et al. (2010). Efficacy and cost-effectiveness of alendronate for the prevention of fractures in postmenopausal women in Norway .
• Kristiansen, Ivar Sønbø & Øian, P (2010). Et risikofritt liv?. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  130(11), s 1126
• Hagen, Gunhild; Wisløff, Torbjørn; Kristiansen, Ivar Sønbø & Klemp, Marianne (2009). Cost-effectiveness of first-line treatment for osteoporosis when the drug goes generic.
• Håheim, Lise Lund; Fretheim, Atle; Brørs, Odd; Kjeldsen, Sverre E.; Kristiansen, Ivar Sønbø; Madsen, Steinar; Njølstad, Inger et al. (2008). Primærforebygging av hjerte- og karsykdom, med hovedvekt på medikamentelle tiltak .
• Håheim, Lise Lund; Fretheim, Atle; Brørs, Odd; Kjeldsen, Sverre E.; Kristiansen, Ivar Sønbø; Madsen, Steinar; Njølstad, Inger et al. (2008). Primærforebygging av hjerte- og karsykdom, med hovedvekt på medikamentelle tiltak.
• Killie, Mette Kjær; Kjeldsen-Kragh, Jens; Husebekk, Anne; Skogen, Bjørn Ragnar; Olsen, Jan Abel & Kristiansen, ivar sØnbØ (2008). Cost-effectiveness of screening for neonatal alloimmune thrombocytopenia was based on invalid assumption. Authors Reply.. British Journal of Obstetrics and Gynecology.  ISSN 1470-0328.
• Killie, MK; Kjeldsen-Kragh, J; Husebekk, Anne; Skogen, Bjørn Ragnar; Olsen, Jan Abel & Kristiansen, IS (2008). Cost-effectiveness analysis of screening for neonatal alloimmune thrombocytopenia was based on invalid assumption - Reply. British Journal of Obstetrics and Gynecology.  ISSN 1470-0328.  115 . doi: 10.1111/j.1471-0528.2007.01612.x
• Kristiansen, Ivar Sønbø (2008). How up-to-date are Cochrane reviews?. The Lancet.  ISSN 0140-6736.  371, s 384- 384
• Kristiansen, Ivar Sønbø (2008). To pasienter i sengen eller én i korridoren?. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  128(1), s 16- 16
• Wisløff, Torbjørn Fosen; Sigrun, Halvorsen; Selmer, Randi M. & Kristiansen, Ivar Sønbø (2008). Disease Model (NorCad) – a simulation model for estimating health benefits and cost consequences of cardiovascular interventions..
• Wisløff, Torbjørn; Norheim, Ole Frithjof; Halvorsen, Sigrun; Selmer, Randi M & Kristiansen, Ivar Sønbø (2008). Kostnader og leveårsgevinster ved medikamentell primærforebygging av hjertekarsykdom .
• Wisløff, Torbjørn; Selmer, Randi M; Halvorsen, Sigrun & Kristiansen, Ivar Sønbø (2008). Norwegian Cardiovascular Disease Model (NorCaD) – a simulation model for estimating health benefits and cost consequences of cardiovascular interventions .
• Aaserud, Morten; Kristiansen, Ivar Sønbø; Neilson, Aileen Rae; Norum, Jan; Sørbye, Halfdan; Aas, Eline & Gjertsen, Marianne Klemp (2007). Helseøkonomisk evaluering av bevacizumab ved metastatisk kolorektalcancer .
• Aas, Eline; Kristiansen, Ivar Sønbø; Aaserud, Morten; Norum, Jan; Sørby, Halvdan; Neilson, Aileen Rae & Gjertsen, Marianne K. (2007). Helseøkonomisk evaluering av bevacizumab ved metastatisk kolorektalcancer.
• Aaserud, Morten; Kristiansen, Ivar Sønbø; Neilson, Aileen; Norum, Jan; Sørbye, Halvdan; Aas, Eline & Klemp Gjertsen, ;Marianne (2007). Helseøkonomisk evaluering av bevacizumab ved metastatisk colorectal cancer..
• Bergman, ASC; Hjelmgren, J; Wisløff, Torbjørn; Kristiansen, Ivar Sønbø & Persson, U (2007). A cost-effectiveness study of a universal vaccination program with the 7-valent pneumococcal vaccine (PCV-7) in Sweden. Value in Health.  ISSN 1098-3015.  10(6), s A443- A443
• Killie, Mette Kjær; Kjeldsen-Kragh, Jens; Husebekk, Anne; Skogen, Bjørn; Olsen, Jan Abel & Kristiansen, Ivar Sønbø (2007). Author response to: Cost-effectiveness analysis of screening for neonatal alloimmune thrombocytopenia was based on invalid assumption. BJOG: an International Journal of Obstetrics and Gynaecology Histologic chorioamnionitis and umbilical serum levels of pro-inflammatory cytokines and cytokine inhibitors.  115, s 413- 414
• Kristiansen, Ivar Sønbø (2007). Prioritering er mer enn å ordne køen. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  127, s 2278
• Larsen, Håvard Andre; Moger, Tron Anders & Kristiansen, Ivar Sønbø (2007). A Bayesian analysis for evaluation of a surrogate endpoint in clinical trials of hypertension.
• Johansen, Karianne; Kristiansen, Ivar Sønbø; Lønning, Per Eystein; Naume, Bjørn; Norum, Jan; Olsen, Jan Abel & Wist, Erik (2006). Ny medikamentell behandling av brystkreft Adjuvant behandling med trastuzumab ved tidlig stadium av brystkreft - en helseøkonomisk analyse Rapport fra Kunnskapssenteret Nr 18–2006.
• Johansen, Karianne; Wisløff, Torbjørn; Kristiansen, Ivar Sønbø; Lønning, Per Eystein; Naume, Bjørn; Norum, Jan; Norderhaug, Inger Natvig et al. (2006). Ny medikamentell behandling av brystkreft. Adjuvant behandling med trastuzumab ved tidlig stadium av brystkreft - en helseøkonomisk analyse. .
• Johansen, Karianne; Wisløff, Torbjørn; Kristiansen, Ivar Sønbø; Lønning, Per Eystein; Naume, Bjørn; Norum, Jan; Olsen, Jan Abel et al. (2006). Ny medikamentell behandling av brystkreft. Adjuvant behandling med trastuzumab ved tidlig stadium av brystkreft - en helseøkonomisk analyse Rapport 18/2006.
• Killie, Mette K.; Kjeldsen-Kragh, Jens; Husebekk, Anne; Skogen, Bjørn Ragnar; Olsen, Jan Abel & Kristiansen, Ivar Sønbø (2006). Cost-utility analysis of antenatal screening for Neonatal Alloimmune Thrombocytopenia..
• Killie, Mette K.; Kjeldsen-Kragh, Jens; Husebekk, Anne; Skogen, Bjørn Ragnar; Olsen, Jan Abel & Kristiansen, Ivar Sønbø (2006). Cost-utility analysis of antenatal screening for Neonatal Alloimmune Thrombocytopenia.. Regional forskningskonferanse innen medisin og helse.
• Killie, Mette K.; Kjeldsen-Kragh, Jens; Husebekk, Anne; Skogen, Bjørn Ragnar; Olsen, Jan Abel & Kristiansen, ivar sØnbØ (2006). Cost-utility analysis of antenatal screening for neonatal alloimmune thrombocytopenia. Vox Sanguinis.  ISSN 0042-9007.  91, s 263- 263
• Kristiansen, Ivar Sønbø (2006). Alkoholskadet statistikk?. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  126, s 481- 481
• Kristiansen, Ivar Sønbø; Wisloff, TF & Wisløff, Torbjørn (2006). Cost effectiveness of adding 7-valent pneumococcal conjugate vaccine to a childhood vaccination - Impact of herd immunity. Value in Health.  ISSN 1098-3015.  9 . doi: 10.1016/j.vaccine.2006.04.042
• Brantsæter, Arne Broch; Fuglesang, Jan Eilert; Haaheim, Lars R.; Løvoll, Øistein; Salmén, Ragnar; Sjursen, Haakon; Kristiansen, Ivar Sønbø et al. (2005). Effekt av oseltamivir (Tamiflu®) ved profylakse og behandling av influensa – implikasjoner for nasjonal beredskap mot pandemisk influensa .
• Kildemoes, HW & Kristiansen, Ivar Sønbø (2005). When analyses are invalidated by erroneous assumptions - Response to an optimistic viewpoint. International Journal of Technology Assessment in Health Care.  ISSN 0266-4623.  21, s 416- 419
• Kristiansen, Ivar Sønbø; Bingefors, Chris; Nyholm, Dag & Isacson, Dag (2005). The cost-effectiveness of contineous duodenal delivery of levodopa (Duodopa) in patients with severe Parkinson's disease. Movement Disorders.  ISSN 0885-3185.  s S80- S80
• Kristiansen, Ivar Sønbø; Christensen, Palle & Gyrd-Hansen, Dorte (2005). Benign breast disease and breast cancer. New England Journal of Medicine.  ISSN 0028-4793.  353, s 1856- 1857
• Kristiansen, Ivar Sønbø & Olsen, Jan Abel (2005). Foreldreløse legemidler og helseløse pasienter. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  125, s 992- 992
• Aursnes, Ivar Andreas & Kristiansen, Ivar Sønbø (2004). Tiazider eller ACE-hemmer? En legemiddeloekonomisk analyse.. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  124, s 1668

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