| Prediction of the clinical course of chronic obstructive pulmonary disease, using the new GOLD classification: a study of the general population P Lange, JL Marott, J Vestbo, KR Olsen, TS Ingebrigtsen, M Dahl, ... American journal of respiratory and critical care medicine 186 (10), 975-981, 2012 | 506 | 2012 |
| Cost-effectiveness estimate of prehospital thrombolysis: results of the PHANTOM-S study D Gyrd-Hansen, KR Olsen, K Bollweg, C Kronborg, M Ebinger, ... Neurology 84 (11), 1090-1097, 2015 | 103 | 2015 |
| Measuring cost efficiency in the Nordic Hospitals—a cross-sectional comparison of public hospitals in 2002 M Linna, U Häkkinen, M Peltola, J Magnussen, KS Anthun, S Kittelsen, ... Health care management science 13, 346-357, 2010 | 75 | 2010 |
| Examining cost variation across hospital departments–a two-stage multi-level approach using patient-level data M Laudicella, KR Olsen, A Street Social science & medicine 71 (10), 1872-1881, 2010 | 71 | 2010 |
| Cost efficiency of university hospitals in the Nordic countries: a cross-country analysis E Medin, KS Anthun, U Häkkinen, SAC Kittelsen, M Linna, J Magnussen, ... The European journal of health economics 12, 509-519, 2011 | 68 | 2011 |
| Waist circumference and body mass index as predictors of health care costs B Højgaard, D Gyrd-Hansen, KR Olsen, J Søgaard, TIA Sørensen PLoS One 3 (7), e2619, 2008 | 56 | 2008 |
| Economies of scale and optimal size of hospitals: Empirical results for Danish public hospitals T Kristensen | 51 | 2008 |
| Association between general practice referral rates and patients’ socioeconomic status and access to specialised health care: A population-based nationwide study TH Sørensen, KR Olsen, P Vedsted Health policy 92 (2-3), 180-186, 2009 | 47 | 2009 |
| Association between refill compliance to oral bisphosphonate treatment, incident fractures, and health care costs—an analysis using national health databases KR Olsen, C Hansen, B Abrahamsen Osteoporosis international 24, 2639-2647, 2013 | 45 | 2013 |
| The analysis of efficiency among a small number of organisations: how inferences can be improved by exploiting patient‐level data KR Olsen, A Street Health Economics 17 (6), 671-681, 2008 | 45 | 2008 |
| Economic and health implications of routine CBCT examination before surgical removal of the mandibular third molar in the Danish population LB Petersen, KR Olsen, LH Matzen, M Vaeth, A Wenzel Dentomaxillofacial Radiology 44 (6), 20140406, 2015 | 43 | 2015 |
| Economies of scale and scope in the Danish hospital sector prior to radical restructuring plans T Kristensen, KR Olsen, J Kilsmark, JT Lauridsen, KM Pedersen Health Policy 106 (2), 120-126, 2012 | 39 | 2012 |
| Hospital productivity and the Norwegian ownership reform: A Nordic comparative study SAC Kittelsen, J Magnussen, KS Anthun, U Häkkinen, M Linna, E Medin, ... Stakes, 2008 | 37 | 2008 |
| Hospital productivity and the Norwegian ownership reform: A Nordic comparative study SAC Kittelsen, J Magnussen, KS Anthun, U Häkkinen, M Linna, E Medin, ... Stakes, 2008 | 37 | 2008 |
| General practice in the Nordic countries KR Olsen, A Anell, U Häkkinen, T Iversen, T Ólafsdóttir, M Sutton Nordic Journal of Health Economics 4 (1), 56-67, 2016 | 35 | 2016 |
| Economic costs of abdominal obesity B Højgaard, KR Olsen, J Søgaard, TIA Sørensen, D Gyrd-Hansen Obesity Facts 1 (3), 146-154, 2008 | 34 | 2008 |
| Cost-effectiveness of the Danish smoking cessation interventions: subgroup analysis based on the Danish Smoking Cessation Database KR Olsen, L Bilde, HH Juhl, NT Kjaer, H Mosbech, T Evald, M Rasmussen, ... The European Journal of Health Economics 7, 255-264, 2006 | 33 | 2006 |
| The effectiveness of nationally implemented smoking interventions in Denmark NT Kjaer, T Evald, M Rasmussen, HH Juhl, H Mosbech, KR Olsen Preventive medicine 45 (1), 12-14, 2007 | 31 | 2007 |
| Organisational determinants of production and efficiency in general practice: a population-based study KR Olsen, D Gyrd-Hansen, TH Sørensen, T Kristensen, P Vedsted, ... The European Journal of Health Economics 14, 267-276, 2013 | 29 | 2013 |
| Cost-effectiveness of surveillance programs for families at high and moderate risk of hereditary non-polyposis colorectal cancer KR Olsen, SE Bojesen, AMM Gerdes, K Lindorff-Larsen, IT Bernstein International journal of technology assessment in health care 23 (1), 89-95, 2007 | 25 | 2007 |
