Essays about: "Cox model"

Showing result 21 - 25 of 88 essays containing the words Cox model.

  1. 21. Retrospective clinical evaluation of implant-supported zirconia fixed dental prostheses

    University essay from Malmö universitet/Odontologiska fakulteten (OD)

    Author : Imad Al-Ateia; Josef Taleb; [2021]
    Keywords : implantat; peri-implantit;

    Abstract : ABSTRACT  Purpose The aim of the present study was to evaluate the clinical outcomes of implant-supported restorations of zirconia.   Materials and methods This retrospective study included all patients rehabilitated with implant-supported fixed prostheses made of zirconia in a dental clinical private practice, based on data from patients’ dental records. READ MORE

  3. 22. Estimating Causal Effects Of Relapse Treatment On The Risk For Acute Myocardial Infarction Among Patients With Diffuse Large B-Cell Lymphoma

    University essay from Uppsala universitet/Statistiska institutionen

    Author : Jakob Börsum; [2021]
    Keywords : Causal Inference; Survival; Analysis; Marginal Structural Model;

    Abstract : This empirical register study intends to estimate average causal effects of relapse treatment on the risk for acute myocardial infarction (AMI) among patients with Diffuse B-Cell Lymphoma (DLBCL) within the potential outcome framework. The report includes a brief introduction to causal inference and survival anal- ysis and mentions specific causal parameters of interest that will be estimated. READ MORE

  4. 23. Multilevel Cox Regression of Transition to Parenthood among Ethiopian Women

    University essay from Stockholms universitet/Statistiska institutionen

    Author : Amanda Akinyi Lagehäll; Elelta Yemane; [2021]
    Keywords : ;

    Abstract : The birth of the first child is a special event for a mother whose life can change dramatically. In Ethiopia women’s timing to enter motherhood vary between the regions. READ MORE

  5. 24. Censoring Bias in Oncology Clinical Trials

    University essay from Lunds universitet/Matematisk statistik

    Author : Andrea Mattsson; [2020]
    Keywords : survival analysis; censoring; progression-free survival; Cox proportional hazards model; oncology clinical trial; HER2CLIMB; Mathematics and Statistics;

    Abstract : Time to disease progression or death (PFS) is of main interest in oncology clinical trials. The data is commonly analyzed using a Cox model. Early discontinuation gives uncertainty in the estimated hazard ratio (HR). Censoring is generally used to handle discontinuations. READ MORE

  6. 25. Immigrant background and hospital care because of dental caries among preschool children in Sweden: A longitudinal, register-based study in a national cohort.

    University essay from Lunds universitet/Socialmedicin och global hälsa

    Author : Martina Nanteza; Anders Hjern; Therese Kvist; [2020]
    Keywords : preschool children; immigrant background; caries; hospital care.; Medicine and Health Sciences;

    Abstract : Introduction: Dental caries among preschool children is a global problem, a burden on children’s well-being, and an economic burden on healthcare systems. In Sweden, preschool children with an immigrant background have a higher prevalence of caries. READ MORE