نتایج جستجو برای: competing risks

تعداد نتایج: 160624  

Journal: :Nephrology Dialysis Transplantation 2016

Journal: :Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales 2014

Journal: :international journal of hematology-oncology and stem cell research 0
arash jalali department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, tehran, iran ; hematology-oncology and stem cell transplantation research center, tehran university of medical sciences, tehran, iran. kamran alimoghaddam hematology-oncology and stem cell transplantation research center, tehran university of medical sciences, tehran, iran. mahmood mahmoudi department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, tehran, iran. kazem mohammad department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, tehran, iran. seied asadollah mousavi hematology-oncology and stem cell transplantation research center, tehran university of medical sciences, tehran, iran. babak bahar hematology-oncology and stem cell transplantation research center, tehran university of medical sciences, tehran, iran.

allogeneic hematopoietic stem cell transplantation (hsct) is the most effective therapy to prevent relapse in acute lymphocytic leukemia (all). this benefit is affected by non-relapse mortality (nrm) due to complications such as graft versus host disease (gvhd). a new approach in analyzing time-dependent covariates in competing risks is landmark analysis. so, the aim of this study is to evaluat...

2012
N. A. Ibrahim A. Kudus I. Daud M. R. Abu Bakar

Competing risks survival data that comprises of more than one type of event has been used in many applications, and one of these is in clinical study (e.g. in breast cancer study). The decision tree method can be extended to competing risks survival data by modifying the split function so as to accommodate two or more risks which might be dependent on each other. Recently, researchers have cons...

2012
Michael T Koller Heike Raatz Ewout W Steyerberg Marcel Wolbers

Life expectancy has dramatically increased in industrialized nations over the last 200 hundred years. The aging of populations carries over to clinical research and leads to an increasing representation of elderly and multimorbid individuals in study populations. Clinical research in these populations is complicated by the fact that individuals are likely to experience several potential disease...

Journal: :Clinical cancer research : an official journal of the American Association for Cancer Research 2007
Haesook T Kim

Competing risks occur commonly in medical research. For example, both treatment-related mortality and disease recurrence are important outcomes of interest and well-known competing risks in cancer research. In the analysis of competing risks data, methods of standard survival analysis such as the Kaplan-Meier method for estimation of cumulative incidence, the log-rank test for comparison of cum...

یزدانی چراتی, جمشید, خاکسار, شهربانو, موسوی نسب, سید نورالدین, کرمی, حسین,

Background and purpose: Acute leukemia is a malignancy with a rapidly progressive course of the lymphoid or myeloid cells. A prognostic factor for its survival and treatment is of particular importance in medical research. Therefore, this study aimed at applying competing risk model to compare clinical and pathologic factors in pediatric acute leukemia. Materials and methods: A historical coho...

Abbas Alipour Abolghasem Shokri, Fatemeh Yasari Soheila Khodakarim

Background and aims: Chronic kidney disease (CKD) is a public health challenge worldwide, with adverse consequences of kidney failure, cardiovascular disease (CVD), and premature death. Chronic kidney disease leads to the end stage of renal disease (ESRD), if late/not diagnosed. Competing risk modeling is a major issue in Epidemiology research. In Epidemiology study, sometimes inappropriate met...

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