Cross-Sectional Studies

Discrepancies in risk age and relative risk estimations of cardiovascular disease in patients with inflammatory joint diseases
OBJECTIVE: The European guidelines on cardiovascular disease (CVD) prevention advise use of relative risk and risk age algorithms for …
Grunde Wibetoe, Eirik Ikdahl, Silvia Rollefstad, Inge C. Olsen, Kjetil Bergsmark, Tore K. Kvien, Anne Salberg, Dag M. Soldal, Gunnstein Bakland, Åse Lexberg, Bjørg-Tilde Fevang, Hans Christian Gulseth, Glenn Haugeberg, Anne Grete Semb
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Sleep disturbance in patients with rheumatoid arthritis is related to fatigue, disease activity, and other patient-reported outcomes
OBJECTIVES: To explore factors related to sleep disturbance in patients with rheumatoid arthritis (RA). METHOD: Cross-sectional data …
C. Austad, T. K. Kvien, I. C. Olsen, T. Uhlig
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Disease activity in ankylosing spondylitis and associations to markers of vascular pathology and traditional cardiovascular disease risk factors: a cross-sectional study
OBJECTIVE: To compare the risk of cardiovascular disease (CVD) in ankylosing spondylitis (AS) and population controls, and to examine …
Inger Jorid Berg, Désirée van der Heijde, Hanne Dagfinrud, Ingebjørg Seljeflot, Inge Christoffer Olsen, Tore K. Kvien, Anne Grete Semb, Sella A. Provan
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Circulating levels of inflammatory cytokines and cytokine receptors in patients with ankylosing spondylitis: a cross-sectional comparative study
OBJECTIVES: Insight into the most important inflammatory pathways in ankylosing spondylitis (AS) could be of importance in risk …
S. H. Sveaas, I. J. Berg, S. A. Provan, A. G. Semb, I. C. Olsen, T. Ueland, P. Aukrust, N. Vøllestad, K. B. Hagen, T. K. Kvien, H. Dagfinrud
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Uveitis is associated with hypertension and atherosclerosis in patients with ankylosing spondylitis: a cross-sectional study
OBJECTIVES: Uveitis is the most common extra-articular manifestation in patients with ankylosing spondylitis (AS), but the literature …
Inger Jorid Berg, Anne Grete Semb, Désirée van der Heijde, Tore K. Kvien, Jonny Hisdal, Inge C. Olsen, Hanne Dagfinrud, Sella A. Provan
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