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Fletta eftir höfundi "Lund, Sigrún Helga"

Fletta eftir höfundi "Lund, Sigrún Helga"

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  • Einarsson, Hafsteinn; Lund, Sigrún Helga; Jónsdóttir, Anna Helga (2024-06)
    This paper explores the potential of large language models, specifically ChatGPT, to reframe problems from probability theory and statistics, making them accessible to students across diverse academic fields including biology, economics, law, and ...
  • Jónsson, Arnar Jan; Lund, Sigrún Helga; Eriksen, Bjørn O; Pálsson, Runólfur; Indriðason, Ólafur Skúli (2023-09-29)
    OBJECTIVES: Prior studies on the association of estimated glomerular filtration rate (eGFR) and mortality have failed to include methods to account for repeated eGFR determinations. The aim of this study was to estimate the association between eGFR and ...
  • Hjartardóttir, Hulda; Lund, Sigrún Helga; Benediktsdottir, Sigurlaug; Geirsson, Reynir; Eggebø, Torbjørn M. (Elsevier BV, 2021-04)
    Background Identifying predictive factors for a normal outcome at admission in the labor ward would be of value for planning labor care, timing interventions and in preventing labor dystocia. Clinical assessments of fetal head station and position ...
  • Hjartardóttir, Hulda; Lund, Sigrún Helga; Benediktsdóttir, Sigurlaug; Geirsson, Reynir T; Eggebø, Torbjørn M. (2021-04-23)
    Background: Identifying predictive factors for a normal outcome at admission in the labor ward would be of value for planning labor care, timing interventions, and preventing labor dystocia. Clinical assessments of fetal head station and position at ...
  • Ingason, Arnar Bragi; Hreinsson, Jóhann P.; Lund, Sigrún Helga; Ágústsson, Arnar Snær; Rumba, Edward; Pálsson, Daníel; Reynisson, Indriði E.; Guðmundsdóttir, Brynja R; Önundarson, Páll Torfi; Björnsson, Einar Stefán (2023-01-01)
    OBJECTIVE: Previous observational studies have yielded conflicting results on whether medication adherence differs between patients receiving warfarin and direct oral anticoagulants (DOACs). Importantly, no study has adequately accounted for warfarin ...
  • Thordardottir, Marianna; Lindqvist, Ebba K.; Lund, Sigrún Helga; Costello, Rene; Burton, Debra; Steingrimsdottir, Laufey; Korde, Neha; Mailankody, Sham; Eiriksdottir, Gudny; Launer, Lenore J.; Gudnason, Vilmundur; Harris, Tamara B.; Landgren, Ola; Torfadottir, Johanna; Kristinsson, Sigurður Yngvi (Public Library of Science (PLoS), 2018-11-01)
    The etiology of monoclonal gammopathy of undetermined significance (MGUS), the precursor state of multiple myeloma (MM), is mostly unknown and no studies have been conducted on the effect of diet on MGUS or progression from MGUS to MM. We aimed to ...
  • Dowsett, Joseph; Ferkingstad, Egil; Rasmussen, Line Jee Hartmann; Thørner, Lise Wegner; Magnússon, Magnús Karl; Sugden, Karen; Þorleifsson, Guðmar; Frigge, Mike; Burgdorf, Kristoffer Sølvsten; Ostrowski, Sisse Rye; Sørensen, Erik; Erikstrup, Christian; Pedersen, Ole Birger; Hansen, Thomas Folkmann; Banasik, Karina; Brunak, Søren; Tragante, Vinicius; Lund, Sigrún Helga; Stefánsdóttir, Lilja; Gunnarson, Bjarni; Poulton, Richie; Arseneault, Louise; Caspi, Avshalom; Moffitt, Terrie E.; Gudbjartsson, Daníel Fannar; Eugen-Olsen, Jesper; Stefánsson, Hreinn; Stefánsson, Kári; Ullum, Henrik (2021-06-02)
    Soluble urokinase-type plasminogen activator receptor (suPAR) is a chronic inflammation marker associated with the development of a range of diseases, including cancer and cardiovascular disease. The genetics of suPAR remain unexplored but may shed ...
  • Ólafsdóttir, Halla Sif; Alexíusdottir, Kristín; Jónasson, Jón Gunnlaugur; Lund, Sigrún Helga; Jónsson, Þorvaldur; Skuladottir, Halla (2016-03-02)
    Inngangur: Magakrabbamein var algengasta krabbameinið á Íslandi upp úr miðri 20. öld en er nú einungis 2-3% krabbameina. Markmið þessarar rannsóknar var að gera faraldsfræðilegan samanburð á tveimur meginflokkum kirtilfrumukrabbameina í maga samkvæmt ...
  • Ólafsdóttir, Thorhildur; Thorleifsson, Gudmar; sulem, patrick; Stefánsson, Ólafur A.; Medek, Helga; Olafsson, Karl; Ingþórsson, Orri; Guðmundsson, Valur; Jonsdottir, Ingileif; Halldorsson, Gisli; Kristjansson, Ragnar; Frigge, Michael L.; Stefánsdóttir, Lilja; Sigurðsson, Jón K.; Oddsson, Asmundur; Sigurðsson, Ásgeir; Eggertsson, Hannes P.; Melsted, Páll; Halldórsson, Bjarni; Lund, Sigrún Helga; Styrkarsdottir, Unnur; Steinthorsdottir, Valgerdur; Gudmundsson, Julius; Holm, Hilma; Tragante do O, Vinicius; Asselbergs, Folkert; Thorsteinsdottir, Unnur; Gudbjartsson, Daniel; Jónsdóttir, Kristín; Rafnar, Thorunn; Stefansson, Kari (Springer Science and Business Media LLC, 2020-03-17)
    Pelvic organ prolapse (POP) is a downward descent of one or more of the pelvic organs, resulting in a protrusion of the vaginal wall and/or uterus. We performed a genome-wide association study of POP using data from Iceland and the UK Biobank, a total ...
  • Harðardóttir, Hrönn; Valdimarsdottir, Unnur; Gudbjartsson, Tomas; Sigvaldason, Andrés; Lund, Sigrún Helga; Aspelund, Thor; Hansdottir, Sif; Jónsson, Steinn (Læknafélag Íslands / Icelandic Medical Association, 2017-04-06)
    Inngangur: Markmið rannsóknarinnar var að lýsa einkennum, sjúkdómsmynd, meðferð og afdrifum sjúklinga sem hafa farið í kerfisbundið greiningarferli á Landspítala vegna gruns um lungnakrabbamein. Efniviður og aðferðir: Rannsóknin tekur til 550 sjúklinga ...
  • Styrkarsdottir, Unnur; Stefansson, Olafur A.; Gunnarsdottir, Kristbjorg; Thorleifsson, Gudmar; Lund, Sigrún Helga; Stefansdottir, Lilja; Juliusson, Kristinn; Ágústsdóttir, Arna B.; Zink, Florian; Halldorsson, Gisli; Ivarsdottir, Erna V.; Benonisdottir, Stefania; Jonsson, Hakon; Gylfason, Arnaldur; Norland, Kristjan; Trajanoska, Katerina; Boer, Cindy G.; Southam, Lorraine; Leung, Jason C. S.; Tang, Nelson L. S.; Kwok, Timothy C. Y.; Lee, Jenny S. W.; Ho, Suzanne C.; Byrjalsen, Inger; Center, Jacqueline R.; Lee, Seung Hun; Koh, Jung-Min; Lohmander, L. Stefan; Ho-Pham, Lan T.; Nguyen, Tuan V.; Eisman, John A.; Woo, Jean; Leung, Ping-C.; Loughlin, John; Zeggini, Eleftheria; Christiansen, Claus; Rivadeneira, Fernando; van Meurs, Joyce; Uitterlinden, Andre G.; Mogensen, Brynjólfur; Jonsson, Helgi; Ingvarsson, Þorvaldur; Sigurdsson, Gunnar; Benediktsson, Rafn; sulem, patrick; Jonsdottir, Ingileif; Másson, Gísli; Holm, Hilma; Norddahl, Gudmundur L.; Thorsteinsdottir, Unnur; Gudbjartsson, Daniel; Stefansson, Kari (Springer Science and Business Media LLC, 2019-05-03)
    Bone area is one measure of bone size that is easily derived from dual-energy X-ray absorptiometry (DXA) scans. In a GWA study of DXA bone area of the hip and lumbar spine (N ≥ 28,954), we find thirteen independent association signals at twelve loci ...
  • Magnússon, Magnús Ingvi; Agnarsson, Bjarni Agnar; Jónasson, Jón Gunnlaugur; Tryggvason, Þórður; Aeffner, Famke; le Roux, Louise; Magnusdottir, Droplaug N.; Gunnarsdóttir, Helga Sigrún; Alexíusdóttir, Kristín K.; Gunnarsdottir, Kristbjorg; Söebech, Emilia; Runarsdottir, Hjaltey; Jónsdóttir, Erna María; Kristinsdóttir, Bjarney Sif; Olafsson, Sigurgeir; Knutsdottir, Hildur; Þorsteinsdóttir, Unnur; Úlfarsson, Magnús Örn; Guðbjartsson, Daníel Fannar; Saemundsdottir, Jona; Magnusson, Olafur T.; Norddahl, Gudmundur L.; Watson, J. E.Vivienne; Rafnar, Thorunn; Lund, Sigrún Helga; Stefánsson, Kári (2023-10-19)
    Background: The TNM system is used to assess prognosis after colorectal cancer (CRC) diagnosis. Other prognostic factors reported include histopathological assessments of the tumour, tumour mutations and proteins in the blood. As some of these factors ...
  • Jónsson, Arnar Jan; Lund, Sigrún Helga; Eriksen, Bjorn O.; Pálsson, Runólfur; Indriðason, Ólafur Skúli (2022-07-01)
    Background: Information on the incidence of chronic kidney disease (CKD) in the general population is scarce. This study examined the incidence and risk factors of CKD stages 1-5 in Iceland, based on multiple markers of kidney damage. Methods: All serum ...
  • Styrkársdóttir, Unnur; Stefánsdóttir, Lilja; Thorleifsson, Gudmar; Andri Stefánsson, Ólafur; Sævarsdóttir, Sædís; Lund, Sigrún Helga; Rafnar, Thorunn; Hoshijima, Kazuyuki; Novak, Kendra; Oreiro, Natividad; Rego-Perez, Ignacio; Hansen, Channing; Kazmers, Nikolas; Kiemeney, Lambertus A; Blanco, Francisco J; Barker, Tyler; Kloppenburg, Margreet; Jurynec, Michael J; Gudbjartsson, Daniel F; Jónsson, Helgi; Þorsteinsdóttir, Unnur; Stefánsson, Kári (2023-06)
    OBJECTIVES: Erosive hand osteoarthritis (EHOA) is a severe subset of hand osteoarthritis (OA). It is unclear if EHOA is genetically different from other forms of OA. Sequence variants at ten loci have been associated with hand OA but none with EHOA. ...
  • Valdimarsdottir, Unnur; Lu, Donghao; Lund, Sigrún Helga; Fall, Katja; Fang, Fang; Kristjánsson, Þórður; Gudbjartsson, Daniel; Helgason, Agnar; Stefansson, Kari (eLife Sciences Publications, Ltd, 2019-11-12)
    While the rare occurrence of child loss is accompanied by reduced life expectancy of parents in contemporary affluent populations, its impact in developing societies with high child mortality rates is unclear. We identified all parents in Iceland born ...
  • Pálsdóttir, Edda; Lund, Sigrún Helga; Ásgeirsson, Kristján Skúli (SAGE Publications, 2018-05-14)
    Background and Aims: In Iceland, oncoplastic breast-conservation surgery has been performed since 2008. The aim of this population-based study was to assess and compare the efficacy and patient satisfaction of standard breast-conservation surgery with ...
  • Claessen, Lára Ósk Eggertsdóttir; Kristjánsdóttir, Hafrún; Jónsdóttir, María Kristín; Lund, Sigrún Helga; Kristensen, Ingunn Unnsteinsdóttir; Sigurjónsdóttir, Helga Ágústa (2024-02)
    Objective: Pituitary dysfunction following mild traumatic brain injury can have serious physical and psychological consequences, making correct diagnosis and treatment essential. To the best of our knowledge, this study is the first to study the ...
  • Bjornsdottir, Gyda; Chalmer, Mona A.; Stefánsdóttir, Lilja; Skuladottir, Astros Th; Einarsson, Gudmundur; Andrésdóttir, Margrét; Beyter, Doruk; Ferkingstad, Egil; Gretarsdottir, Solveig; Halldórsson, Bjarni Vilhjálmur; Halldórsson, Gísli Hreinn; Helgadottir, Anna; Helgason, Hannes; Hjorleifsson Eldjarn, Grimur; Jonasdottir, Adalbjorg; Jonasdottir, Aslaug; Jónsdóttir, Ingileif; Knowlton, Kirk U.; Nadauld, Lincoln D.; Lund, Sigrún Helga; Magnusson, Olafur Th; Melsted, Páll; Moore, Kristjan H.S.; Oddsson, Asmundur; Olason, Pall I.; Sigurdsson, Asgeir; Stefansson, Olafur A.; Saemundsdottir, Jona; Sveinbjornsson, Gardar; Tragante, Vinicius; Unnsteinsdottir, Unnur; Walters, Guðmundur Bragi; Zink, Florian; Rødevand, Linn; Andreassen, Ole A.; Igland, Jannicke; Lie, Rolv T.; Haavik, Jan; Banasik, Karina; Brunak, Søren; Didriksen, Maria; T. Bruun, Mie; Erikstrup, Christian; Kogelman, Lisette J.A.; Nielsen, Kaspar R.; Sørensen, Erik; Pedersen, Ole B.; Ullum, Henrik; Bay, Jakob; Boldsen, Jens K.; Brodersen, Thorsten; Burgdorf, Kristoffer; Dinh, Khoa M.; Dowsett, Joseph; Feenstra, Bjarke; Geller, Frank; Hindhede, Lotte; Hjalgrim, Henrik; Jacobsen, Rikke L.; Jemec, Gregor; Kaspersen, Katrine; Kjerulf, Bertram D.; Larsen, Margit A.H.; Louloudis, Ioannis; Lundgaard, Agnete; Mikkelsen, Susan; Mikkelsen, Christina; Nissen, Ioanna; Nyegaard, Mette; Henriksen, Alexander P.; Rohde, Palle D.; Rostgaard, Klaus; Swinn, Michael; Thørner, Lise W.; Bruun, Mie T.; Werge, Thomas; Westergaard, David; Masson, Gisli; Þorsteinsdóttir, Unnur; Olesen, Jes; Ludvigsson, Petur; Thorarensen, Ólafur; Bjornsdottir, Anna; Sigurdardottir, Gudrun R.; Sveinsson, Ólafur Árni; Ostrowski, Sisse R.; Holm, Hilma; Gudbjartsson, Daniel F.; Thorleifsson, Gudmar; Sulem, Patrick; Stefansson, Hreinn; Thorgeirsson, Thorgeir E.; Hansen, Thomas F.; Stefánsson, Kári (2023-11)
    Migraine is a complex neurovascular disease with a range of severity and symptoms, yet mostly studied as one phenotype in genome-wide association studies (GWAS). Here we combine large GWAS datasets from six European populations to study the main migraine ...