Fredrik Andreas Dahl

Bilde av Fredrik Andreas Dahl
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Brukernavn
Besøksadresse Sykehusveien 25 None 1474 NORDBYHAGEN
Postadresse Akershus universitetssykehus 1478 LØRENSKOG
Andre tilknytninger Avdeling for biostatistikk

Publikasjoner

  • Schultz, Johannes Kurt; Wallon, Conny; Blecic, Liljana; Forsmo, Håvard Mjørud; Folkesson, Joakim; Buchwald, Pamela; Kørner, Hartwig; Dahl, Fredrik Andreas; Øresland, Tom & Yaqub, Sheraz (2017). One-year results of the SCANDIV randomized clinical trial of laparoscopic lavage versus primary resection for acute perforated diverticulitis. British Journal of Surgery.  ISSN 0007-1323.  104(10), s 1382- 1392 . doi: 10.1002/bjs.10567
  • Viana, Joe; Rand-Hendriksen, Kim; Simonsen, Tone Breines; Barra, Mathias & Dahl, Fredrik Andreas (2017). Do hybrid simulation models always increase flexibility to handle parametric and structural changes?. Winter simulation conference : proceedings.  ISSN 0891-7736.  s 1439- 1450 . doi: 10.1109/WSC.2016.7822196
  • Barra, Mathias; Simonsen, Tone Breines & Dahl, Fredrik Andreas (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.  ISSN 1472-6963.  16(1) . doi: 10.1186/s12913-016-1732-8
  • Lauritzen, Peter Mæhre; Andersen, Jack Gunnar; Stokke, Mali Victoria; Tennstrand, Anne Lise; Aamodt, Rolf; Heggelund, Thomas; Dahl, Fredrik Andreas; Sandbæk, Gunnar; Hurlen, Petter & Gulbrandsen, Pål (2016). Radiologist-initiated double reading of abdominal CT: Retrospective analysis of the clinical importance of changes to radiology reports. BMJ Quality and Safety.  ISSN 2044-5415.  25(8), s 595- 603 . doi: 10.1136/bmjqs-2015-004536
  • Lauritzen, Peter Mæhre; Stavem, Knut; Andersen, Jack Gunnar; Stokke, Mali Victoria; Tennstrand, Anne Lise; Bjerke, Gisle; Hurlen, Petter; Sandbæk, Gunnar; Dahl, Fredrik Andreas & Gulbrandsen, Pål (2016). Double reading of current chest CT examinations: Clinical importance of changes to radiology reports. European Journal of Radiology.  ISSN 0720-048X.  85(1), s 199- 204 . doi: 10.1016/j.ejrad.2015.11.012 Vis sammendrag
  • Rand-Hendriksen, Kim; Viana, Joe; Barra, Mathias & Dahl, Fredrik Andreas (2016). Conflicts or Synergy When Combining Modeling Approaches - Perspectives from Psychology. Winter simulation conference : proceedings.  ISSN 0891-7736. . doi: 10.1109/WSC.2016.7822198
  • Ventham, NT; Kennedy, NA; Adams, AT; Kalla, R; Heath, S; O'Leary, KR; Drummond, H; Wilson, DC; Gut, IG; Nimmo, ER; Satsangi, J; Lauc, Gordan; Campbell, Harry; McGovern, Dermot PB; Annese, Vito; Zoldos, Vlatka; Permberton, Iain K; Wuhrer, Manfred; Kolarich, Daniel; Fernandes, Daryl L; Theorodorou, Evropi; Merrick, Victoria; Spencer, Daniel I; Gardner, Richard A; Doran, Ray; Shubhakar, Archana; Boyapati, Ray; Rudan, Igor; Lionetti, Paolo; Akmacic, Irena Trbojevic; Kristic, Jasminka; Vuckovic, Frano; Stambuk, Jerko; Novokmet, Mislav; Pucic-Bakovic, Maja; Gornik, Olga; Andriulli, Angelo; Cantoro, Laura; Sturniolo, Giancarlo; Fiorino, Gionata; Manetti, Natalia; Latiano, Anna; Kohn, Anna; D'Inca, Renata; Danese, Silvio; Arnott, Ian D; Noble, Colin L; Lees, Charlie W; Shand, Alan G; Ho, Gwo-Tzer; Dunlop, Malcolm G; Murphy, Lee; Gibson, Jude; Evenden, Louise; Wrobel, Nicola; Gilchrist, Tamara; Fawkes, Angie; Kammeijer, Guinevere SM; Clerc, Florent; De Haan, Noortje; Vojta, Aleksandar; Samarzija, Ivana; Markulin, Dora; Klasic, Marija; Dobrinic, Paula; Aulchenko, Yurii; Van Den Heuve, Tim; Jonkers, Daisy; Pierik, Marieke; Vatn, Simen Svendsen; Ricanek, Petr; Jahnsen, Jørgen; You, Panpan; Sølvernes, Janne; Frengen, Anna Brzozowska; Tannæs, Tone Møller; Moen, Aina Elisabeth Fossum; Dahl, Fredrik Andreas; Lindstrøm, Jonas Christoffer; Ekeland, Gunn Seim; Detlie, Trond Espen; Keita, Åsa V; Söderholm, Johan D; Hjortswang, Henrik; Halfvarson, Jonas; Bergemalm, Daniel; Gomollon, Fernando; D'Amato, Mauro; Törkvist, Leif; Hjelm, Fredrik; Gullberg, Mats; Nordberg, Niklas; Ocklind, Anette; Pettersson, Erik; Ekman, Daniel; Sundell, Mikael; Modig, Eddie; Veillard, Anne-Clemence; Schoemans, Renaud; Poncelet, Dominique; Sabatel, Celine; Gut, Marta; Bayes, Monica; Casen, Christina; Lindahl, Torbjørn; Ciemniejewska, Ewa & Vatn, Morten H (2016). Integrative epigenome-wide analysis demonstrates that DNA methylation may mediate genetic risk in inflammatory bowel disease. Nature Communications.  ISSN 2041-1723.  7 . doi: 10.1038/ncomms13507
  • Yin, Jun; Dahl, Fredrik Andreas; Hagen, Terje P. & Lurås, Hilde (2016). The influence of changes in activity-based financing on hospital readmissions for the elderly. Nordic Journal of Health Economics.  ISSN 1892-9729.  4(2), s 72- 81 . doi: 10.5617/njhe.992
  • Barra, Mathias; Dahl, Fredrik Andreas & Vetvik, Kjersti (2015). Statistical Testing of Association Between Menstruation and Migraine. Headache.  ISSN 0017-8748.  55(2), s 229- 240 . doi: 10.1111/head.12457
  • Schultz, Johannes Kurt; Yaqub, Sheraz; Wallon, Conny; Blecic, Liljana; Forsmo, Håvard Mjørud; Folkesson, Joakim; Buchwald, Pamela; Kørner, Hartwig; Dahl, Fredrik Andreas & Øresland, Tom (2015). Laparoscopic lavage vs primary resection for acute perforated diverticulitis: The SCANDIV randomized clinical trial. Journal of the American Medical Association (JAMA).  ISSN 0098-7484.  314(13), s 1364- 1375 . doi: 10.1001/jama.2015.12076 Vis sammendrag
  • Hall, Judith A.; Gulbrandsen, Pål & Dahl, Fredrik Andreas (2014). Physician gender, physician patient-centered behavior, and patient satisfaction: A study in three practice settings within a hospital. Patient Education and Counseling.  ISSN 0738-3991.  95(3), s 313- 318 . doi: 10.1016/j.pec.2014.03.015
  • Saltyte Benth, Jurate; Dahl, Fredrik Andreas; Lurås, Hilde & Dahl, Alv A (2014). A controlled study of income development for breast cancer survivors in Norway. Journal of cancer survivorship.  ISSN 1932-2259.  8(2), s 239- 247 . doi: 10.1007/s11764-013-0324-4
  • Wang, Ying; Stavem, Knut; Dahl, Fredrik Andreas; Hummerfeldt, Sjur & Haugen, Torbjørn (2014). Factors associated with a prolonged length of stay after acute exacerbation of chronic obstructive pulmonary disease (AECOPD). The International Journal of Chronic Obstructive Pulmonary Disease.  ISSN 1176-9106.  9, s 99- 105 . doi: 10.2147/COPD.S51467
  • Holm, Lene Berge; Lurås, Hilde & Dahl, Fredrik Andreas (2013). Improving hospital bed utilisation through simulation and optimisation: With application to a 40% increase in patient volume in a Norwegian general hospital. International Journal of Medical Informatics.  ISSN 1386-5056.  82(2), s 80- 89 . doi: 10.1016/j.ijmedinf.2012.05.006
  • Wang, Ying; Stavem, Knut; Hummerfeldt, Sjur; Dahl, Fredrik Andreas & Haugen, Torbjørn (2013). Readmissions for COPD: propensity case-matched comparison between pulmonary and non-pulmonary departments. Clinical Respiratory Journal.  ISSN 1752-6981.  7(4), s 375- 381 . doi: 10.1111/crj.12018
  • Yin, Jun; Lurås, Hilde; Hagen, Terje P. & Dahl, Fredrik Andreas (2013). The effect of activity-based financing on hospital length of stay for elderly patients suffering from heart diseases in Norway. BMC Health Services Research.  ISSN 1472-6963.  13 . doi: 10.1186/1472-6963-13-172
  • Gulbrandsen, Pål; Saltyte Benth, Jurate; Dahl, Fredrik Andreas; Jensen, Bård Fossli; Finset, Arnstein & Hall, Judith A. (2012). Specialist Physicians' sensitivity to patient affect and satisfaction. Medical Care.  ISSN 0025-7079.  50(4), s 290- 293 . doi: 10.1097/MLR.0b013e318242313e
  • Hurlen, Petter; Borthne, Arne Sigmund; Dahl, Fredrik Andreas; Østbye, Truls & Gulbrandsen, Pål (2012). Does PACS improve diagnostic accuracy in chest radiograph interpretations in clinical practice?. European Journal of Radiology.  ISSN 0720-048X.  81(1), s 173- 177 . doi: 10.1016/j.ejrad.2010.08.043
  • Misiri, Humphrey; Edriss, Abdi; Aalen, Odd O. & Dahl, Fredrik Andreas (2012). Estimation of HIV incidence in Malawi from cross-sectional population-based sero-prevalence data. Journal of the International AIDS Society.  ISSN 1758-2652.  15
  • Rand-Hendriksen, Kim; Augestad, Liv Ariane & Dahl, Fredrik Andreas (2012). A critical re-evaluation of the regression model specification in the US D1 EQ-5D value function. Population Health Metrics.  ISSN 1478-7954.  10 . doi: 10.1186/1478-7954-10-2
  • Rand-Hendriksen, Kim; Augestad, Liv Ariane; Dahl, Fredrik Andreas; Kristiansen, Ivar Sønbø & Stavem, Knut (2012). A Shortcut to Mean-Based Time Tradeoff Tariffs for the EQ-5D?. Medical decision making.  ISSN 0272-989X.  32(4), s 569- 577 . doi: 10.1177/0272989X11431607
  • Holm, Lene Berge & Dahl, Fredrik Andreas (2011). Using Soft Systems Methodology as a precursor for an emergency department simulation model. OR insight.  ISSN 0953-5543.  24(3), s 168- 189 . doi: 10.1057/ori.2011.8
  • Jensen, Bård Fossli; Dahl, Fredrik Andreas; Safran, Dana Gelb; Garratt, Andrew; Krupat, Edward; Finset, Arnstein & Gulbrandsen, Pål (2011). The ability of a behaviour-specific patient questionnaire to identify poorly performing doctors. BMJ Quality and Safety.  ISSN 2044-5415.  20(10), s 885- 893 . doi: 10.1136/bmjqs-2011-000021
  • Jensen, Bård Fossli; Gulbrandsen, Pål; Dahl, Fredrik Andreas; Krupat, Edward; Frankel, Richard M. & Finset, Arnstein (2011). Effectiveness of a short course in clinical communication skills for hospital doctors: Results of a crossover randomized controlled trial (ISRCTN22153332). Patient Education and Counseling.  ISSN 0738-3991.  84(2), s 163- 169 . doi: 10.1016/j.pec.2010.08.028
  • Tropé, Ameli Ellen Claesdotter; Jonassen, Christine M; Sjøborg, Katrine Dønvold; Nygård, Mari; Dahl, Fredrik Andreas; Alfsen, Glenny Cecilie & Lie, Kathrine (2011). Role of high-risk human papillomavirus (HPV) mRNA testing in the prediction of residual disease after conisation for high-grade cervical intraepithelial neoplasia. Gynecologic Oncology.  ISSN 0090-8258.  123(2), s 257- 262 . doi: 10.1016/j.ygyno.2011.07.032
  • Holm, Lene Berge & Dahl, Fredrik Andreas (2010). Simulating the influence of a 45% increase in patient volume on the emergency department of Akershus University Hospital. Winter simulation conference : proceedings.  ISSN 0891-7736.  s 2455- 2461
  • Jensen, Bård Fossli; Gulbrandsen, Pål; Saltyte-Benth, Jurate; Dahl, Fredrik Andreas; Krupat, Edward & Finset, Arnstein (2010). Interrater reliability for the Four Habits Coding Scheme as part of a randomized controlled trial. Patient Education and Counseling.  ISSN 0738-3991.  80(3), s 405- 409 . doi: 10.1016/j.pec.2010.06.032
  • Holm, Lene Berge & Dahl, Fredrik Andreas (2009). Simulating the Effect of Physician Triage in the Emergency Department of Akershus University Hospital. Winter simulation conference : proceedings.  ISSN 0891-7736.  s 1896- 1905 . doi: 10.1109/WSC.2009.5429204
  • Dahl, Fredrik Andreas; Galteland, Torborg & Gjelsvik, Runhild (2008). Statistical modelling of wildwood mushroom abundance. Scandinavian Journal of Forest Research.  ISSN 0282-7581.  23(3), s 244- 249
  • Dahl, Fredrik Andreas; Grotle, Margreth; Saltyte-Benth, Jurate & Natvig, Bård (2008). Data splitting as a countermeasure against hypothesis fishing: with a case study of predictors for low back pain. European Journal of Epidemiology.  ISSN 0393-2990.  23 . doi: 10.1007/s10654-008-9230-x
  • Grotle, Margreth; Hagen, Kåre Birger; Natvig, Bård; Dahl, Fredrik Andreas & Kvien, Tore Kristian (2008). Obesity and osteoarthritis in knee, hip and/or hand: An epidemiological study in the general population with 10 years follow-up. BMC Musculoskeletal Disorders.  ISSN 1471-2474.  9 . doi: 10.1186/1471-2474-9-132
  • Hurlen, Petter; Østbye, Truls; Borthne, Arne Sigmund; Dahl, Fredrik Andreas & Gulbrandsen, Pål (2008). Do clinicians read our reports? Integrating the radiology information system with the electronic patient record: experiences from the first 2 years. European Radiology.  ISSN 0938-7994.  19, s 31- 36 . doi: 10.1007/s00330-008-1098-3
  • Østerås, Nina; Gulbrandsen, Pål; Garratt, Andrew; Saltyte-Benth, Jurate; Dahl, Fredrik Andreas; Natvig, Bård & Brage, Søren Karl (2008). A randomised comparison of a four- and a five-point scale version of the Norwegian Function Assessment Scale. Health and Quality of Life Outcomes.  ISSN 1477-7525.  6 . doi: 10.1186/1477-7525-6-14
  • Dahl, Fredrik Andreas (2007). Convergence of random k-nearest-neighbour imputation. Computational Statistics & Data Analysis.  ISSN 0167-9473.  51(12), s 5913- 5917
  • Dahl, Fredrik Andreas; Gåsemyr, Jørund Inge & Natvig, Bent (2007). A robust conflict measure of inconsistencies in bayesian hierarchical models. Scandinavian Journal of Statistics.  ISSN 0303-6898.  34, s 816- 828 . doi: 10.1111/j.1467-9469.2007.00560.x Vis sammendrag
  • Dahl, Fredrik Andreas (2006). How Online Learning Approaches Ornstein Uhlenbeck Processes. Neural Processing Letters.  ISSN 1370-4621.  23
  • Dahl, Fredrik Andreas (2006). On the Conservativeness of Posterior Predictive P-values. Statistics and Probability Letters.  ISSN 0167-7152.  76
  • Dahl, Fredrik Andreas (2005). Representing human uncertainty by subjective likelihood estimates. International Journal of Approximate Reasoning.  ISSN 0888-613X.  39 Vis sammendrag
  • Dahl, Fredrik Andreas (2005). The lagging anchor model for game learning - a solution to the Crawford puzzle. Journal of Economic Behavior and Organization.  ISSN 0167-2681.  57(3), s 287- 303
  • Dahl, Fredrik Andreas (2002). A challenge to formal modeling of poker and bridge. Games and Economic Behavior.  ISSN 0899-8256.  40(1), s 147- 149
  • Dahl, Fredrik Andreas (2002). The lagging anchor algorithm: Reinforcement learning in two-player zero-sum games with imperfect information. Machine Learning.  ISSN 0885-6125.  49(1), s 5- 37
  • Dahl, Fredrik Andreas (2002). Variance reduction for simulated diffusions using control variates extracted from state space evaluations. Applied Numerical Mathematics.  ISSN 0168-9274.  43(4), s 375- 381
  • Dahl, Fredrik Andreas (2001). Variance reduction for Markov chain processes using state space evaluation for control variates. Journal of the Operational Research Society.  ISSN 0160-5682.  52(12)
  • Dahl, Fredrik Andreas (2000). Minimax TD-learning with neural nets in a Markov game. Lecture Notes in Computer Science.  ISSN 0302-9743.  1810, s 117- 128
  • Dahl, Fredrik Andreas & Halck, Ole Martin (2000). Asymmetric co-evolution for imperfect-information zero-sum games. Lecture Notes in Computer Science.  ISSN 0302-9743.  1810, s 171- 182

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  • Barra, Mathias; Rand, Kim; Faiz, Kashif Waqar; Viana, Joe & Dahl, Fredrik Andreas (2017). Survival of the fittest? Frailty modelling of stroke incidence..
  • Dahl, Fredrik Andreas; Rand, Kim; Viana, Joe; Barra, Mathias & Simonsen, Tone Breines (2017). Effects of stroke on labour force participation for patients and family caregivers.
  • Faiz, Kashif Waqar; Labberton, Angela Susan; Thommessen, Bente; Rønning, Ole M.; Dahl, Fredrik Andreas & Barra, Mathias (2017). THE BURDEN OF STROKE MIMICS - THE PRESENT AND FUTURE PROJECTIONS.
  • Kakad, Meetali & Dahl, Fredrik Andreas (2017). Modelling patient flows through municipal acute units in South-Eastern Norway.
  • Rand, Kim; Viana, Joe; Barra, Mathias & Dahl, Fredrik Andreas (2017). Using bootstrapping to reflect variance in resource demand in simulation modeling of patient flow; the case of stroke treatment in Norway.
  • Simonsen, Tone Breines; Faraas, Hildegunn E.; Schmidt, Nina; Viana, Joe & Dahl, Fredrik Andreas (2017). Is it possible to plan and improve patient flow in a post term pregnancy clinic?.
  • Viana, Joe; Rødøy, Lise Raanes; Rojahn, Tone; Simonsen, Tone Breines & Dahl, Fredrik Andreas (2017). Using a combined discrete event simulation agent based model to improve drug production at the Radium Hospital, Norway.
  • Viana, Joe; Simonsen, Tone Breines; Schmidt, Nina; Rand, Kim & Dahl, Fredrik Andreas (2017). Simulation modelling of patient flow in the Obstetrics department at Akershus Universitetssykehus..
  • Dahl, Fredrik Andreas; Viana, Joe & Rand-Hendriksen, Kim (2016). Association between hospital occupancy and mortality.
  • Faiz, Kashif Waqar & Dahl, Fredrik Andreas (2016). Overbelegg og faregrense for dødelighet. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  136(14-15), s 1204- 1204 . doi: 10.4045/tidsskr.16.0548
  • Rand-Hendriksen, Kim; Viana, Joe & Dahl, Fredrik Andreas (2016). Too obvious to mention? Some simple ways in which running empirical data directly through simulation models can be used to identify flaws in models and data. Vis sammendrag
  • Simonsen, Tone Breines; Viana, Joe & Dahl, Fredrik Andreas (2016). How do we meet tomorrow’s needs for health care?.
  • Viana, Joe; Rand-Hendriksen, Kim; Simonsen, Tone Breines; Dahl, Fredrik Andreas & Barra, Mathias (2016). Flexible healthcare hybrid simulation modeling.
  • Lauritzen, Peter Mæhre; Andersen, Jack Gunnar; Stokke, Mali; Tennstrand, Anne Lise; Aamodt, Rolf; Heggelund, Thomas; Dahl, Fredrik Andreas; Sandbæk, Gunnar; Hurlen, Petter & Gulbrandsen, Pål (2015). Clinical impact of double reading of abdominal CT scans of surgical patients.
  • Lauritzen, Peter Mæhre; Andersen, Jack Gunnar; Tennstrand, Anne Lise; Stokke, Mali Victoria; Aamodt, Rolf; Heggelund, Thomas; Sandbæk, Gunnar; Hurlen, Petter; Dahl, Fredrik Andreas & Gulbrandsen, Pål (2015). Endringer av klinisk betydning ved dobbeltgransking av CT abdomen og bekken..
  • Lauritzen, Peter Mæhre; Stavem, Knut; Andersen, Jack Gunnar; Stokke, Mali; Tennstrand, Anne Lise; Bjerke, Gisle; Sandbæk, Gunnar; Hurlen, Petter; Dahl, Fredrik Andreas & Gulbrandsen, Pål (2015). Clinical impact of double reading of thoracic CT.
  • Lauritzen, Peter Mæhre; Stavem, Knut; Andersen, Jack Gunnar; Tennstrand, Anne Lise; Stokke, Mali Victoria; Bjerke, Gisle; Hurlen, Petter; Sandbæk, Gunnar; Dahl, Fredrik Andreas & Gulbrandsen, Pål (2015). Endringer av klinisk betydning ved dobbeltgransking av CT thorax..
  • Dahl, Fredrik Andreas; Bård Fosslie, Jensen; Krupat, Edward; Frankel, Richard M. & Gulbrandsen, Pål (2013). Yes, the cross-over design is suitable for evaluation of the effect of an educational intervention. Patient Education and Counseling.  ISSN 0738-3991.  90(2), s 285- 285 . doi: 10.1016/j.pec.2012.11.005
  • Dahl, Fredrik Andreas & Saltyte-Benth, Jurate (2010). Do split your epidemiological data. European Journal of Epidemiology.  ISSN 0393-2990.  25(10), s 759- 759 . doi: 10.1007/s10654-010-9498-5
  • Dahl, Fredrik Andreas & Østerås, Nina (2010). Quantifying Information Content in Survey Data by Entropy. Entropy.  ISSN 1099-4300.  12(2), s 161- 163 . doi: 10.3390/e12020161
  • Saltyte-Benth, Jurate; Dahl, Fredrik Andreas & Mitic, Svetislav (2008). Can linear regression model give reliable conclusions about the postoperative recovery? Bootstrap for case study in Mitic et al. 2007. Clinical Otolaryngology.  ISSN 0307-7772.  33, s 287- 289
  • Dahl, Fredrik Andreas & Gulbrandsen, Pål (2006). Eliciting decision weights from clinicians.
  • Dahl, Fredrik Andreas & Gulbrandsen, Pål (2006). IT-based experience support for clinicians.
  • Dahl, Fredrik A.; Gåsemyr, Jørund Inge; Natvig, Bent & Dahl, Fredrik A. (2005). An assessment of conflict measures in criticism of Bayesian hierarchical models.
  • Dahl, Fredrik Andreas (2005). DRIFTSKOSTNADSVEKST ESTIMERT MED BAYESIANSKE METODER. Vis sammendrag

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Publisert 2. mars 2015 15:20