نتایج جستجو برای: cox proportional hazard model
تعداد نتایج: 2213582 فیلتر نتایج به سال:
Persson, I. 2002. Essays on the Assumption of Proportional Hazards in Cox Regression. Acta Universitatis Upsaliensis. Comprehensive Summaries of Uppsala Dissertations from the Faculty of Social Sciences 110. 36 pp. Uppsala. ISBN 91-554-5208-6. This thesis consists of four papers about the assumption of proportional hazards for the Cox model in survival analysis. The first paper compares the haz...
Stroke adalah penyakit yang disebabkan oleh terhentinya suplai darah ke otak menyebabkan kehilangan fungsinya. terjadi ketika pembuluh di tersumbat, mengakibatkan tidak mendapatkan oksigen cukup untuk membawa seluruh tubuh, kematian sel/jaringan. Faktor risiko stroke dapat dipengaruhi usia, jenis kelamin, dan faktor akibat perilaku sehat seperti hipertensi, diabetes. Berbagai diduga mempengaruh...
Background and Aims: In recent years, dental implants have received special attention in dentistry. Due to the remarkable success of predictable dental implants, there is growing interests in the scientific community from descriptions of implant success toward identify factors associated with implant failure. The purpose of this study was to identify the risk factors associated with implant f...
Introduction: The most important models used in analysis of survival data is proportional hazards models. Applying this model requires establishment of the relevance proportional hazards assumption, otherwise it world lead to incorrect inference. This study aims to evaluate Cox and Weibull models which are used in identification of effective factors on survival time in acute leukemia. Me...
Simulation studies present an important statistical tool to investigate the performance, properties and adequacy of statistical models in pre-specified situations. One of the most important statistical models in medical research is the proportional hazards model of Cox. In this paper, techniques to generate survival times for simulation studies regarding Cox proportional hazards models are pres...
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