Øyvind O. Salvesen

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A common discussion subject for the male part of the population in particular, is the prediction of next weekend's soccer matches, especially for the local team. Knowledge of offensive and defensive skills is valuable in the decision process before making a bet at a bookmaker. In this article we take an applied statistician's approach to the problem,(More)
BACKGROUND Provider volume is often a central topic in debates about centralization of procedures. In Norway, there is considerable variation in provider volumes of the neurosurgical centers treating children. We sought to explore long-term survival after surgery for central nervous system tumors in children in relation to regional provider volumes. (More)
In sarcoidosis, increased Th17 cell fractions have been reported in bronchoalveolar lavage fluid, and elevated numbers of Th17 cells producing IFN- γ have been observed in peripheral blood. The balance between Th1, Th17, and FoxP3(+) CD4(+) T cell subsets in sarcoidosis remains unclear. Bronchoalveolar lavage fluid cells, from 30 patients with sarcoidosis,(More)
AIMS To study the reliability and feasibility of point-of-care pocket-sized echocardiography (POCKET) at the bedside in patients admitted to a medical department at a non-university hospital. METHODS AND RESULTS One hundred and eight patients were randomized to bedside POCKET examination shortly after admission and later high-end echocardiography (HIGH)(More)
AIMS We aimed to study the diagnostic influence of adding a routine cardiovascular ultrasound screening of the cardiac anatomy and function, the pericardium, the pleura and the abdominal great vessels by the new pocket-size ultrasound device (pUS) with grey scale and colour Doppler imaging. METHODS AND RESULTS In 119 randomly selected patients admitted to(More)
The objectives of this prospective study in 62 moderate-severe TBI patients were to investigate volume change in cortical gray matter (GM), hippocampus, lenticular nucleus, lobar white matter (WM), brainstem and ventricles using a within subject design and repeated MRI in the early phase (1-26 days) and 3 and 12 months postinjury and to assess changes in GM(More)
BACKGROUND Glioblastomas are primary malignant brain tumors with a dismal prognosis. Knowledge of growth rates and underlying growth dynamics is useful for understanding basic tumor biology, developing realistic tumor models, and planning treatment logistics. METHODS By using repeated pretreatment contrast-enhanced T1-weighted MRI scans from 106 patients(More)
The present study was specifically designed to investigate the prevalence of auditory verbal hallucinations (AVH) in the general population, and sought to compare similarities and differences regarding socio-demographics, mental health and severe life events between individuals who have never experienced AVH with those who had. The study also aimed to(More)
OBJECTIVE The aim of this study was to explore the relation between preoperative tumor size based on magnetic resonance imaging (MRI) and the surgical pathologic staging parameters (deep myometrial invasion, cervical stroma invasion, and metastatic lymph nodes) and to assess the prognostic impact of tumor size in endometrial carcinomas. Interobserver(More)
BACKGROUND Fecal incontinence has a high prevalence in the older population, which cannot be explained by comorbidity or the anatomical or psychological changes of aging alone. Fecal incontinence leads to a high economic burden to the healthcare system and is an important cause of institutionalization. In addition, fecal incontinence is associated with(More)