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Browsing by Author "Jonsson, Helgi"

Browsing by Author "Jonsson, Helgi"

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  • Jonsson, Helgi (Springer Nature, 2017-12)
    Background: Hand photography has been used in a number of studies to determine the presence and severity of hand osteoarthritis (HOA). The aim of this study was to present age and gender specific prevalences of HOA diagnosed by this method. Methods: ...
  • 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 ...
  • Jonsson, Helgi; Aspelund, Thor; Eiriksdottir, Gudny; Harris, Tamara B.; Launer, Lenore J.; Gudnason, Vilmundur (Public Library of Science (PLoS), 2019-08-23)
    Background: The debate whether "asymptomatic hyperuricemia" should be treated is still ongoing. The objective of this cross-sectional study was to analyze whether hyperuricema in the elderly is associated with joint pain. Methods and findings: Participants ...
  • Marshall, Michelle; Jonsson, Helgi; Helgadottir, Gudrun P.; Nicholls, Elaine; Myers, Helen; Jansen, Victoria; van der Windt, Danielle (Springer Science and Business Media LLC, 2019-10-27)
    Background: To determine the longitudinal construct validity of assessing hand OA progression on digital photographs over 7 years compared with progression determined from radiographs, clinical features and change in symptoms. Methods: Participants ...