• Validation and development of models using clinical, biochemical and ultrasound markers for predicting pre-eclampsia: an individual participant data meta-analysis 

      Allotey, John; Snell, Kym I.E.; Smuk, Melanie; Hooper, Richard; Chan, Claire; Ahmed, Asif; Chappell, Lucy C.; von Dadelszen, Peter; Dodds, Julie; Green, Marcus; Kenny, Louise; Khalil, Asma; Khan, Khalid S.; Mol, Ben W.; Myers, Jenny; Poston, Lucilla; Thilaganathan, Basky; Staff, Anne Cathrine; Smith, Gordon C.S.; Ganzevoort, Wessel; Laivuori, Hannele; Odibo, Anthony O.; Ramírez, Javier A.; Kingdom, John; Daskalakis, George; Farrar, Diane; Baschat, AA; Seed, PT; Prefumo, F; da Silva Costa, F; Groen, H; Audibert, F; Masse, J; Skråstad, Ragnhild Bergene; Salvesen, Kjell Å; Haavaldsen, Camilla; Nagata, C; Rumbold, Alice R.; Heinonen, Seppo; Askie, LM; Smits, LJ; Vinter, CA; Magnus, Per; Kajantie, Eero Olavi; Villa, PM; Jenum, Anne Karen; Andersen, LB; Norman, JE; Ohkuchi, A; Eskild, Anne; Bhattacharya, Sohinee; McAuliffe, Fionnuala M.; Galindo, Alberto; Herraiz, Ignacio; Carbillon, , Lionel; Klipstein-Grobusch, Kerstin; Yeo, SeonAe; Teede, Helena J.; Browne, Joyce L; Moons, Karel G.M.; Riley, Richard D; Thangaratinam, Shakila (Peer reviewed; Journal article, 2020)
      Background: Pre-eclampsia is a leading cause of maternal and perinatal mortality and morbidity. Early identification of women at risk is needed to plan management. Objectives: To assess the performance of existing pre-eclampsia ...
    • Validation of forearm fracture diagnoses in administrative patient registers 

      Omsland, Tone Kristin; Solberg, Lene Bergendal; Bjørnerem, Åshild Marit; Borgen, Tove Tveitan; Andreasen, Camilla; Wisløff, Torbjørn; Hagen, Gunhild; Basso, Trude; Gjertsen, Jan-Erik; Apalset, Ellen Margrete; Figved, Wender; Stutzer, Jens-Meinhard; Nissen, Frida Igland; Hansen, Ann Kristin; Joakimsen, Ragnar Martin; Figari, Elisa; Peel, Geoffrey; Rashid, Ali A.; Khoshkhabari, Jashar; Eriksen, Erik Fink; Nordsletten, Lars; Frihagen, Frede; Dahl, Cecilie (Peer reviewed; Journal article, 2023)
      Summary The validity of forearm fracture diagnoses recorded in fve Norwegian hospitals was investigated using image reports and medical records as gold standard. A relatively high completeness and correctness of the diagnoses ...
    • Validation of prediction models of severe disease course and non-achievement of remission in juvenile idiopathic arthritis: part 1-results of the Canadian model in the Nordic cohort. 

      Rypdal, Veronika Gjertsen; Guzman, Jaime; Henrey, A; Loughin, T; Glerup, Mia; Arnstad, Ellen Dalen; Aalto, Kristiina; Rygg, Marite; Nielsen, Susan M.; Herlin, Troels; Fasth, Anders; Berntson, Lillemor; Rypdal, Martin wibe; Nordal, Ellen Berit (Journal article; Peer reviewed, 2019)
      Background Models to predict disease course and long-term outcome based on clinical characteristics at disease onset may guide early treatment strategies in juvenile idiopathic arthritis (JIA). Before a prediction model ...
    • Validation of questionnaires for restless legs syndrome in the general population: the Trøndelag Health Study (HUNT) 

      Filosa, James; Omland, Petter Moe; Hagen, Knut; Langsrud, Knut; Brenner, Eiliv; Knutsen, Andreas; Drange, Ole Kristian; Gravdahl, Gøril Bruvik; Stjern, Marit; Engstrøm, Morten; Sand, Trond (Peer reviewed; Journal article, 2022)
      Questionnaires for restless legs syndrome have rarely been validated against face-to-face interviews in the general population. We aimed to validate the modified Norwegian, seven-item Cambridge-Hopkins restless legs syndrome ...
    • Validity and Reliability of Four Parent/Patient–Reported Outcome Measures for Juvenile Idiopathic Arthritis Remote Monitoring 

      van Dijkhuizen, E. H. Pieter; Ridella, Francesca; Naddei, Roberta; Trincianti, Chiara; Avrusin, Ilia; Mazzoni, Marta; Sutera, Diana; Ayaz, Nuray Aktay; Penades, Inmaculada Calvo; Constantin, Tamas; Herlin, Troels; Oliveira, Sheila K.; Rygg, Marite; Sanner, Helga; Susic, Gordana; Sztajnbok, Flavio; Varbanova, Boriana; Ruperto, Nicolino; Ravelli, Angelo; Consolaro, Alessandro (Journal article; Peer reviewed, 2022)
    • Validity of a smartwatch for detecting atrial fibrillation in patients after heart valve surgery: a prospective observational study 

      Müller, Margrethe; Hanssen, Tove Aminda; Johansen, David; Jakobsen, Øyvind; Pedersen, John Erling; Aksetøy, Inger-Lise Aamot; Rasmussen, Trine Bernholdt; Hartvigsen, Gunnar; Skogen, Vegard; Thrane, Gyrd (Journal article; Peer reviewed, 2024)
      Objectives: Atrial fibrillation (AF) is a common early arrhythmia after heart valve surgery that limits physical activity. We aimed to evaluate the criterion validity of the Apple Watch Series 5 single-lead electrocardiogram ...
    • Validity of Estimated Cardiorespiratory Fitness in Patients With Primary Breast Cancer 

      Michalski, Meghan; Rowed, Kylie; Lavery, Jessica A; Moskowitz, Chaya S; Capaci, Catherine; Stene, Guro Birgitte; Edvardsen, Elisabeth; Eves, Neil D; Jones, Lee W.; Scott, Jessica M (Peer reviewed; Journal article, 2022)
      Background Estimated peak oxygen consumption (Vo2peak) is widely used in oncology; however, estimated Vo2peak equations were developed in noncancer settings. Objectives The aim of this study was to evaluate the ...
    • Validity of the General Movement Optimality List in Infants Born Preterm 

      Ustad, Tordis; Evensen, Kari Anne Indredavik; Bertoncelli, Natascia; Frassoldati, Rossella; Ferrari, Fabrizio (Peer reviewed; Journal article, 2017)
      Purpose: To examine concurrent and predictive validity of the optimality list “Detailed Assessment of General Movements (GMs) During Preterm and Term Age.” Methods: Video clips of general movements were analyzed for ...
    • A validity study of the rapid emergency Triage and treatment system for children 

      Ødegård, Siv Steinsmo; Tran, Thuy; Næss-Pleym, Lars E.; Risnes, Kari; Døllner, Henrik (Peer reviewed; Journal article, 2021)
      Background: The Scandinavian Rapid Emergency Triage and Treatment System-pediatric (RETTS-p) is a reliable triage system that includes both assessment of vital parameters and a systematic approach to history and symptoms. ...
    • Vanndampbehandling versus stripping av vena saphena magna ved åreknuter 

      Næs, Anne-Katrine Lislegaard; Halsteinli, Vidar; Seternes, Arne (Peer reviewed; Journal article, 2019)
      BAKGRUNN Bruk av ny teknologi kan medføre endring i pasientforløp og behandlingskostnader for helsevesenet. Formålet med denne studien var å sammenligne sykefravær og tid frem til gjenopptatt dagligdags aktivitet samt ...
    • Variability of echocardiographic measures of left ventricular diastolic function. The HUNT study 

      Letnes, Jon Magne; Eriksen-Volnes, Torfinn; Nes, Bjarne; Wisløff, Ulrik; Salvesen, Øyvind; Dalen, Håvard (Peer reviewed; Journal article, 2021)
      Objective: Investigate variability related to image acquisition and reading process for echocardiographic measures of left ventricular (LV) diastolic function, and its influence on classification of LV diastolic dysfunction ...
    • Variants associated with HHIP expression have sex-differential effects on lung function 

      Fawcett, Katherine A.; Obeidat, Ma'en; Melbourne, Carl; Shrine, Nick; Guyatt, Anna L.; John, Catherine; Luan, Jian'an; Richmond, Anne; Moksnes, Marta R.; Granell, Raquel; Weiss, Stefan; Imboden, Medea; May-Wilson, Sebastian; Hysi, Pirro; Boutin, Thibaud S.; Portas, Laura; Flexeder, Claudia; Harris, Sarah E.; Wang, Carol A.; Lyytikäinen, Leo-Pekka; Palviainen, Teemu; Foong, Rachel E.; Keidel, Dirk; Minelli, Cosetta; Langenberg, Claudia; Bossé, Yohan; Berge, Maarten Van den; Sin, Don D.; Hao, Ke; Campbell, Archie; Porteous, David; Padmanabhan, Sandosh; Smith, Blair H.; Evans, David M.; Ring, Sue; Langhammer, Arnulf; Hveem, Kristian; Willer, Cristen J.; Ewert, Ralf; Stubbe, Beate; Pirastu, Nicola; Klaric, Lucija; Joshi, Peter K.; Patasova, Karina; Massimo, Mangino; Polasek, Ozren; Starr, John M.; Karrasch, Stefan; Strauch, Konstantin; Meitinger, Thomas; Rudan, Igor; Rantanen, Taina; Pietiläinen, Kirsi; Kähönen, Mika; Raitakari, Olli T.; Hall, GL; Sly, Peter D.; Pennell, CE; Kaprio, Jaakko; Lehtimäki, Terho; Vitart, Veronique; Deary, Ian J.; Jarvis, Deborah; Wilson, JF; Spector, Tim; Probst-Hensch, Nicole; Wareham, Nick; Völzke, Henry; Henderson, John; Strachan, David P.; Brumpton, Ben Michael; Hayward, Caroline; Hall, Ian P.; Tobin, Martin D.; Wain, Louise V. (Peer reviewed; Journal article, 2021)
      Background: Lung function is highly heritable and differs between the sexes throughout life. However, little is known about sex-differential genetic effects on lung function. We aimed to conduct the first genome-wide ...
    • Variation in antibiotic consumption in very preterm infants-a 10 year population-based study 

      Huncikova, Zuzana; Stensvold, Hans Jørgen; Øymar, Knut Asbjørn Alexander; Vatne, Anlaug; Lang, Astri Maria; Støen, Ragnhild; Brigtsen, Anne Karin; Moster, Dag; Eriksen, Beate Horsberg; Selberg, Terje Reidar; Rønnestad, Arild Erland; Klingenberg, Claus (Peer reviewed; Journal article, 2023)
      Objectives Wide variations in antibiotic use in very preterm infants have been reported across centres despite similar rates of infection. We describe 10 year trends in use of antibiotics and regional variations among ...
    • Variation in serum PCSK9 (proprotein convertase subtilisin/kexin type 9), cardiovascular disease risk, and an investigation of potential unanticipated effects of PCSK9 inhibition 

      Brumpton, Ben Michael; Fritsche, Lars; Zheng, Jie; Nielsen, Jonas Bille; Mannila, Maria Nastase; Surakka, Ida; Rasheed, Humaira; Vie, Gunnhild Åberge; Graham, Sarah E.; Gabrielsen, Maiken Elvestad; Laugsand, Lars Erik; Aukrust, Pål; Vatten, Lars Johan; Damås, Jan Kristian; Ueland, Thor; Janszky, Imre; Zwart, John-Anker; van't Hooft, Ferdinand M.; Seidah, Nabil Georges; Hveem, Kristian; Willer, Cristen; Smith, George Davey; Åsvold, Bjørn Olav (Peer reviewed; Journal article, 2019)
      PCSK9 (proprotein convertase subtilisin/kexin type 9) inhibitors reduce serum LDL (low-density lipoprotein) cholesterol (LDL-C) by increasing uptake in the liver. Although some long-term trials have evaluated their safety, ...
    • Variations in the Circle of Willis in a large population sample using 3D TOF angiography: The Tromsø Study 

      Hindenes, Lars Bakke; Håberg, Asta; Johnsen, Liv-Hege; Mathiesen, Ellisiv B.; David, Robben; Vangberg, Torgil Riise (Peer reviewed; Journal article, 2020)
      The main arteries that supply blood to the brain originate from the Circle of Willis (CoW). The CoW exhibits considerable anatomical variations which may have clinical importance, but the variability is insufficiently ...
    • Variations in the management of diffuse low-grade gliomas - A Scandinavian multicenter study 

      Munkvold, Bodil Karoline Ravn; Solheim, Ole; Bartek, Jiri; Corell, Alba; De Dios, Eddie; Gulati, Sasha; Helseth, Eirik; Holmgren, Klas; Jensdottir, Margret; Lundborg, Mina; Mireles, Eduardo Erasmo Mendoza; Mahesparan, Rupavathana; Tveiten, Øystein Vesterli; Milos, Peter; Redebrandt, Henrietta Nittby; Pedersen, Lars Kjelsberg; Ramm-Pettersen, Jon-Terje; Sjöberg, Rickard L; Sjögren, Björn; Sjåvik, Kristin; Smits, Anja; Tomasevic, Gregor; Vecchio, Tomás Gómez; Vik-Mo, Einar O.; Zetterling, Maria; Salvesen, Øyvind; Jakola, Asgeir Store (Peer reviewed; Journal article, 2021)
      Background Early extensive surgery is a cornerstone in treatment of diffuse low-grade gliomas (DLGGs), and an additional survival benefit has been demonstrated from early radiochemotherapy in selected “high-risk” patients. ...
    • Vascular risk factor control and adherence to secondary preventive medication after ischemic stroke 

      Gynnild, Mari Nordbø; Aakerøy, Rachel; Spigset, Olav; Askim, Torunn; Beyer, Mona Kristiansen; Ihle-Hansen, Hege; Munthe-Kaas, Ragnhild; Knapskog, Anne Brita; Lydersen, Stian; Næss, Halvor; Røsstad, Tove Garåsen; Seljeseth, Yngve Müller; Thingstad, Pernille; Saltvedt, Ingvild; Ellekjær, Hanne (Peer reviewed; Journal article, 2020)
      Background Studies regarding adequacy of secondary stroke prevention are limited. We report medication adherence, risk factor control and factors influencing vascular risk profile following ischaemic stroke. Methods A ...
    • Venndiagram 

      Lydersen, Stian; Skogvoll, Eirik (Peer reviewed; Journal article, 2023)
      Et venndiagram er nyttig for å illustrere forekomst av hendelser som kan inntreffe samtidig. Hvis vi skal beskrive forekomst av hendelser som ikke kan inntreffe samtidig, kan en enkel tabell eller et stolpediagram være ...
    • Views on patient portal use for adolescents in mental health care - a qualitative study 

      Steinsbekk, Aslak Irgens; Nøst, Torunn Hatlen (Peer reviewed; Journal article, 2023)
      Background Digitalization of health care has opened up for new ways to involve and engage patients. With this, increased attention has been put on digital patient portals. There exists some research on patient portals ...
    • Violent Offending in Males With or Without Schizophrenia: A Role for Social Cognition? 

      Vaskinn, Anja; Rokicki, Jaroslav; Bell, Christina; Tesli, Natalia; Bang, Nina; Hjell, Gabriela; Fischer-Vieler, Thomas; Haukvik, Unn Kristin Hansen; Friestad, Christine (Peer reviewed; Journal article, 2023)
      Abstract Background and Hypothesis Reduced social cognition has been reported in individuals who have committed interpersonal violence. It is unclear if individuals with schizophrenia and a history of violence have larger ...