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Visar resultat 6 - 10 av 12 avhandlingar som matchar ovanstående sökkriterier.

1. 6. Mortality in Oxygen-Dependent Chronic Obstructive Pulmonary Disease and Possibilities for Pharmacological Interventions

   Författare :Magnus Ekström; allergologi och palliativ medicin Lungmedicin; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; COPD; mortality; survival; comorbidity; cardiovascular disease; cardiovascular drugs; angiotensin-converting enzyme inhibitor; angiotensin receptor blocker; beta blocker; statin; aspirin; antiplatelet drug; gender; sex; oxygen-dependent; LTOT; trends; excess mortality; SMR; hypoxemia; hypoxia; hypoxaemic;

   Sammanfattning : Background Chronic obstructive pulmonary disease (COPD) is a major and rising cause of mortality worldwide, especially in women. Patients with chronic hypoxia owing to COPD are treated with long-term oxygen therapy (LTOT) but have high morbidity and mortality. LÄS MER

3. 7. Models and Methods for Random Fields in Spatial Statistics with Computational Efficiency from Markov Properties

   Författare :David Bolin; Matematisk statistik; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; random fields; Gaussian Markov random fields; Matérn covariances; stochastic partial differential equations; Computational efficiency;

   Sammanfattning : The focus of this work is on the development of new random field models and methods suitable for the analysis of large environmental data sets. A large part is devoted to a number of extensions to the newly proposed Stochastic Partial Differential Equation (SPDE) approach for representing Gaussian fields using Gaussian Markov Random Fields (GMRFs). LÄS MER

4. 8. Economic perspectives on the obesity epidemic

   Författare :Åsa Ljungvall; Nationalekonomiska institutionen; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Obesity; body-mass index; BMI; waist circumference; inequality; socioeconomic inequalities; concentration index; socioeconomic disparities; time trends; economic freedom; misreporting; misclassification;

   Sammanfattning : This thesis takes its starting point in the large spread and rise in obesity prevalence that have been observed around the world, making obesity an increasing public health concern. The thesis consists of an introductory chapter, which justifies the study of obesity from economic perspectives and puts the subsequent studies in context, and four studies that address obesity from different economic perspectives. LÄS MER

5. 9. Symptoms, prehospital delay and long-term survival in men vs. women with myocardial infarction : a combined register and qualitative study

   Författare :Rose-Marie Isaksson; Mats Eliasson; Christine Brulin; Karin Zingmark; Bengt Fridlund; Umeå universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; myocardial infarction; symptoms; prehospital delay; men and women; long-term survival; time trend; experiences; Nursing; Omvårdnad; omvårdnadsforskning med medicinsk inriktning; Caring Sciences;

   Sammanfattning : The general aim of this thesis was to study symptoms, prehospital delay and time trends in long-term survival in men and women with myocardial infarction (MI). The study was based on quantitative and qualitative data collections. LÄS MER

7. 10. Earth Observation based Monitoring of Urbanizationand Environmental Impact in Kigali, Rwanda

   Författare :Theodomir Mugiraneza; Yifang Ban; Jan Haas; Emmanuel Twarabamenye; Constantinos Cartalis; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Earth observation; Landsat; Sentinel-2; WorldView-2; Urbanization; Land cover classification; Support vector machines; Random forest; U-Net; LandTrendr; Landscape metrics; Ecosystem services; Environmental impact analysis; Kigali; Rwanda; Jordobservation; Landsat; Sentinel-2 MSI; WorldView-2; Urbanisering; Klassificering av marktäcke; Stödvektormaskiner; Slumpmässig skog; U-Net; LandTrendr; Landskapsmetriker; Ekosystemtjänster; Miljökon- sekvensanalys; Kigali; Rwanda.; Geoinformatics; Geoinformatik;

   Sammanfattning : Urbanization is one of the great challenges in the 21st century. Despite being an engine for the global economy, urban areas consume 78% of World's energy and emit more than 60% of greenhouse gas emission. Sub-SaharanAfrican cities, e.g. LÄS MER