Blar i UiS Brage på forfatter "Kvaløy, Jan Terje"
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Hvordan avsløre løgn med statistikk?
Kaltveit, Ine Sæbø (Bachelor thesis, 2021)Hensikten med denne oppgaven er å beskrive vanlige feilkilder/fallgruver i sannsynlighetsregning og statistikk. De ulike feilkildene er beskrevet både skriftlig og matematisk. Oppgaven inneholder forklaringer på hvordan ... -
Impact of immediate and continuous heart rate feedback by dry electrode ECG on time to initiation of ventilation after birth: protocol for a randomised controlled trial
Rettedal, Siren; Kibsgaard-Petersen, Amalie; Eilevstjønn, Joar; Kvaløy, Jan Terje; Bjorland, Peder Aleksander; Lillevik, Hanne Markhus; Haynes, Joanna Clare; Tysland, Thomas Bailey; Størdal, Ketil; Holte, Kari; Davis, Peter G; Ersdal, Hege Langli (Peer reviewed; Journal article, 2022)Introduction 3%–8% of newborns need positive pressure ventilation (PPV) after birth. Heart rate (HR) is considered the most sensitive indicator of the newborns’ condition and response to resuscitative interventions. According ... -
The impact of introducing ambulance and delivery fees in a rural hospital in Tanzania
Vossius, Corinna Elisabeth; Mduma, Estomih; Moshiro, Robert Deogratias; Mdoe, Paschal Francis; Kvaløy, Jan Terje; Kidanto, Hussein; Lyanga, Sara; Hussein, Kidanto; Ersdal, Hege Langli (Peer reviewed; Journal article, 2021-01)Background Access to health care facilities is a key requirement to enhance safety for mothers and newborns during labour and delivery. Haydom Lutheran Hospital (HLH) is a regional hospital in rural Tanzania with a catchment ... -
Increase in Newborns Ventilated Within the First Minute of Life and Reduced Mortality After Clinical Data-Guided Simulation Training
Vadla, May Sissel; Mduma, Estomih; Kvaløy, Jan Terje; Mdoe, Paschal Francis; Hhando, Barikiel; Sarangu, Sabrina; Michael, Paskalina; Oftedal, Bjørg Synnøve Frøysland; Ersdal, Hege Langli (Peer reviewed; Journal article, 2023-07)Introduction Birth asphyxia–related deaths is a major global concern. Rapid initiation of ventilation within the “Golden Minute” is important for intact survival but reported to be challenging, especially in low-/middle-income ... -
Influence of pre-operative oral carbohydrate loading vs. standard fasting on tumor proliferation and clinical outcome in breast cancer patients - a randomized trial
Lende, Tone Hoel; Austdal, Marie; Varhaugvik, Anne Elin; Skaland, Ivar; Gudlaugsson, Einar; Kvaløy, Jan Terje; Akslen, Lars A.; Søiland, Håvard; Janssen, Emiel; Baak, Jan P.A. (Journal article; Peer reviewed, 2019-11)Background Conflicting results have been reported on the influence of carbohydrates in breast cancer. Objective To determine the influence of pre-operative per-oral carbohydrate load on proliferation in breast ... -
Information in Local Curvature: Three Papers on Adaptive Methods in Computational Statistics
Lunde, Berent Ånund Strømnes (PhD thesis UiS;562, Doctoral thesis, 2020-11)Advanced statistical computations have become increasingly important, as with the increased flexibility of models capturing complex relationships in new data and use-cases, comes increased difficulties of fitting procedures ... -
Interleukin-1-related activity and hypocretin-1 in cerebrospinal fluid contribute to fatigue in primary Sjögren's syndrome
Bårdsen, Kjetil; Brede, Cato; Kvivik, Ingeborg; Kvaløy, Jan Terje; Jonsdottir, Kristin; Tjensvoll, Anne Bolette; Ruoff, Peter; Omdal, Roald (Peer reviewed; Journal article, 2019)Background Fatigue is a common and sometimes debilitating phenomenon in primary Sjögren’s syndrome (pSS) and other chronic inflammatory diseases. We aimed to investigate how IL-1 β-related molecules and the neuropeptide ... -
Laparoscopic rectal cancer resection yields comparable clinical and oncological results with shorter hospital stay compared to open access: a 5-year national cohort. aparoscopic rectal cancer resection yields comparable clinical and oncological results with shorter hospital stay compared to open access: a 5-year national cohort
Myrseth, Elisabeth; Gjessing, Petter Fosse; Nymo, Linn Såve; Kørner, Hartwig; Kvaløy, Jan Terje; Norderval, Stig (Peer reviewed; Journal article, 2023)Purpose Although widely applied, the results following laparoscopic rectal resection (LRR) compared to open rectal resection (ORR) are still debated. The aim of this study was to assess clinical short- and long-term results ... -
Less, but not gone—gluten-free diet effects on fatigue in celiac disease: a prospective controlled study
Skjellerudsveen, Berit Mære; Omdal, Roald; Hetta, Anne Kristine; Kvaløy, Jan Terje; Aabakken, Lars; Skoie, Inger Marie; Grimstad, Tore Bjørn (Peer reviewed; Journal article, 2023)Introduction: Fatigue is a frequent complaint in patients with celiac disease. A gluten-free diet is the only established treatment for celiac disease, but how this diet influences fatigue is uncertain. We aimed to investigate ... -
Long-Term Outcomes After Open Repair for Ruptured Abdominal Aortic Aneurysm
Reite, Andreas; Søreide, Kjetil; Kvaløy, Jan Terje; Vetrhus, Morten (Peer reviewed; Journal article, 2020-03)Background Early mortality in ruptured abdominal aneurysm (rAAA) is high, but data on long-term outcome are scarce. The aim of this study was to investigate the long-term outcome in survivors after open surgery for rAAA ... -
Low Z-4OHtam concentrations are associated with adverse clinical outcome among early stage premenopausal breast cancer patients treated with adjuvant tamoxifen
Helland, Thomas; Naume, Bjørn; Hustad, Steinar; Bifulco, Ersilia; Kvaløy, Jan Terje; Sætersdal, Anna Barbro; Synnestvedt, Marit; Lende, Tone Hoel; Gilje, Bjørnar; Mjaaland, Ingvil; Weyde, Kjetil; Blix, Egil Støre; Wiedswang, Gro; Borgen, Elin; Hertz, Daniel Louis; Janssen, Emiel; Mellgren, Gunnar; Søiland, Håvard (Peer reviewed; Journal article, 2020)Low steady‐state levels of active tamoxifen metabolites have been associated with inferior treatment outcomes. In this retrospective analysis of 406 estrogen receptor‐positive breast cancer (BC) patients receiving adjuvant ... -
Lower conversion rate with robotic assisted rectal resections compared with conventional laparoscopy; a national cohort study
Myrseth, Elisabeth; Nymo, Linn Såve; Gjessing, Petter Fosse; Kørner, Hartwig; Kvaløy, Jan Terje; Norderval, Stig (Peer reviewed; Journal article, 2021-08)Background Conversion from laparoscopic to open access colorectal surgery is associated with a poorer postoperative outcome. The aim of this study was to assess conversion rates and outcomes after standard laparoscopic ... -
Mengden av organiserte læringsaktiviteter og sammenhengen med studentenes motivasjon, egeninnsats og overordnede tilfredshet med studiet
Abrahamsen, Eirik Bjorheim; Husebø, Dag; Selvik, Jon Tømmerås; Kvaløy, Jan Terje (Peer reviewed; Journal article, 2021)I høgskole- og universitetsstudier er det stor forskjell på mengden av læringsaktiviteter som organiseres av institusjonene. Det er med dette utgangspunktet vi i denne studien vil undersøke hvorvidt det er sammenheng mellom ... -
Modelling fire occurrences in heavy goods vehicles in Norwegian road tunnels
Njå, Ådne (Masteroppgave/UIS-TN-IMF/2019;, Master thesis, 2019-06-15)This master thesis project has been organized to scrutinize current incident data on near fires and fully developed fires in Norwegian road tunnels longer than 500 meter. This length is chosen because it is assumed that ... -
Modelling fire occurrences in heavy goods vehicles in road tunnels
Njå, Ådne; Kvaløy, Jan Terje; Njå, Ove (Peer reviewed; Journal article, 2022)The project reported in this paper has been organized to scrutinize current incident data on near fires and fully developed fires in Norwegian road tunnels longer than 500 m. This length is chosen because it is assumed ... -
Multivariate Statistics
Wighus, Stian Hammerseth (Bachelor thesis, 2023)This bachelor thesis provides an introduction to multivariate statistics, which is the analysis of data with multiple variables using statistical methods. The thesis focuses on the generalization of the normal distribution ... -
Nasal and salivary pepsin as a biomarker for gastro-esophageal reflux in chronic rhinosinusitis
Katle, Elin-Johanne; Hatlebakk, Jan Gunnar; Omdal, Roald; Kvaløy, Jan Terje; Steinsvåg, Sverre Karmhus (Journal article; Peer reviewed, 2019-03)Background: Gastro-esophageal reflux (GER) may be a contributing factor for some patients with chronic rhinosinusitis (CRS). The aim of the present study was to investigate if Peptest, an immunoassay for pepsin detection, ... -
Neonatal Resuscitation Skill-Training Using a New Neonatal Simulator, Facilitated by Local Motivators: Two-Year Prospective Observational Study of 9000 Trainings
Vadla, May Sissel; Mdoe, Paschal Francis; Moshiro, Robert Deogratias; Haug, Ingunn Anda; Gomo, Øystein; Kvaløy, Jan Terje; Oftedal, Bjørg Synnøve Frøysland; Ersdal, Hege Langli (Peer reviewed; Journal article, 2022-01)Globally, intrapartum-related complications account for approximately 2 million perinatal deaths annually. Adequate skills in neonatal resuscitation are required to reduce perinatal mortality. NeoNatalie Live is a newborn ... -
Neurofilament light is a biomarker of brain involvement in lupus and primary Sjögren’s syndrome
Tjensvoll, Anne Bolette; Lauvsnes, Maria Boge; Zetterberg, Henrik; Kvaløy, Jan Terje; Kvivik, Ingeborg; Maroni, Stian; Greve, Ole Jacob; Beyer, Mona K.; Hirohata, Shunsei; Putterman, Chaim; Alves, Guido Werner; Harboe, Erna; Blennow, Kaj; Gøransson, Lasse; Omdal, Roald (Peer reviewed; Journal article, 2020-10)Background To test the hypothesis that neurofilament light (NfL) in CSF is a biomarker of CNS involvement in patients with systemic lupus erythematosus (SLE) and primary Sjögren’s syndrome (pSS), we measured NfL in CSF ... -
New tests for trend in time censored recurrent event data
Lindqvist, Bo Henry; Kvaløy, Jan Terje (Peer reviewed; Journal article, 2024-01)We consider testing for trend in recurrent event data. More precisely, for such data we consider testing of the null hypothesis of data coming from a renewal process. The new tests are essentially obtained by considering ...