Sökning: "Proportional odds model"
Visar resultat 1 - 5 av 16 avhandlingar innehållade orden Proportional odds model.
1. Methodological Studies on Models and Methods for Mixed-Effects Categorical Data Analysis
Sammanfattning : Effects of drugs are in clinical trials often measured on categorical scales. These measurements are increasingly being analyzed using mixed-effects logistic regression. However, the experience with such analyzes is limited and only a few models are used. LÄS MER
2. Models for Ordered Categorical Pharmacodynamic Data
Sammanfattning : In drug development clinical trials are designed to investigate whether a new treatment is safe and has the desired effect on the disease in the target patient population. Categorical endpoints, for example different ranking scales or grading of adverse events, are commonly used to measure effects in the trials. LÄS MER
3. Generalized survival models as a tool for medical research
Sammanfattning : In medical research, many studies with the time-to-event outcomes investigate the effect of an exposure (or treatment) on patients’ survival. For the analysis of time-to-event or survival data, model-based approaches have been commonly applied. LÄS MER
4. Screening for Cardiovascular Risk and Diabetes in Primary Health Care : The Söderåkra Risk Factor Screening Study
Sammanfattning : Background: Cardiovascular disease (CVD) has been the predominant cause of morbidity and mortality for many decades in Sweden. Preventive work in primary health care through individual approach and community-based programmes has shown some success. LÄS MER
5. Optimism and survivorship after esophageal cancer surgery
Sammanfattning : Dispositional optimism is a personality trait that represents generally favorable expectations about the future. The main aim of this thesis was to examine whether higher dispositional optimism was related to better subjectively reported outcomes and better objectively measured outcomes. LÄS MER