Browsing by Author "Ryalen, Pål Christie"
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Ryalen, Pål Christie (Doctoral thesis / Doktoravhandling, 2019)The hazard rate is the most commonly studied parameter in survival analysis, but it is usually not suitable for causal inference. This thesis focuses on developing alternatives to hazards for analyzing survival data. ...
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Ryalen, Pål Christie; Stensrud, Mats Julius; Fosså, Sophie Dorothea; Røysland, Kjetil (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2018)
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Janvin, Matias; Young, Jessica G.; Ryalen, Pål Christie; Stensrud, Mats Julius (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)Abstract Many research questions concern treatment effects on outcomes that can recur several times in the same individual. For example, medical researchers are interested in treatment effects on hospitalizations in heart ...
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Berg, Erlend; Tegn, Nicolai Kloumann; Abdelnoor, Michael; Ryalen, Pål Christie; Røysland, Kjetil; Aaberge, Lars; Eek, Christian; Øie, Erik Harald; Juliebø, Vibeke; Gjertsen, Erik; Ranhoff, Anette Hylen; Gullestad, Lars; Nordstrand, Njord; Bendz, Bjørn (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)Background Non–ST-segment elevation acute coronary syndrome (NSTE-ACS) is a frequent cause of hospital admission in older people, but clinical trials targeting this population are scarce. Objectives The After Eighty ...
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Ryalen, Pål Christie; Møller, Bjørn; Laache, Christoffer Haug; Stensrud, Mats Julius; Røysland, Kjetil (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)Summary We present a method for estimating several prognosis parameters for cancer survivors. The method utilizes the fact that these parameters solve differential equations driven by cumulative hazards. By ...
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Ryalen, Pål Christie; Stensrud, Mats Julius; Røysland, Kjetil (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2018)