نتایج جستجو برای: weighted kaplan
تعداد نتایج: 119881 فیلتر نتایج به سال:
The Kaplan-Meier (KM) method is used to analyze 'time-to-event' data. The outcome in KM analysis often includes all-cause mortality, but could also include other outcomes such as the occurrence of a cardiovascular event. The purpose of this article is to explain the basic concepts of the KM method, to provide some guidance regarding the presentation of the KM results and to discuss some importa...
This research sequentially monitors paired survival differences using a new class of nonparametric tests based on functionals of standardized paired weighted log-rank (PWLR) and standardized paired weighted Kaplan-Meier (PWKM) tests. During a trial, these tests may alternately assume the role of the more extreme statistic. By monitoring PEMAX, the maximum between the absolute values of the stan...
Methods Institutional review board approval and informed consent were obtained for this prospective study. Forty-four women diagnosed with FIGO stage III or IV ovarian carcinoma underwent 3-Tesla WB-DWI/MRI using 2 b-values (b=0-1000 s/mm), T2-weighted and contrast-enhanced T1-weighted sequences prior to treatment. The primary tumour was delineated using semi-automated software and was analysed...
مقدمه: بیماری های قلبی- عروقی اولین عامل مرگ و میر و مهم ترین عامل بستری در بیمارستان در افراد مسن می باشد. بنابراین، هدف این مطالعه تعیین میزان بقای کوتاه مدت از سکته ی قلبی حاد در بین افراد سالمند بر اساس سن و جنس می باشد. روش ها: این مطالعه یک مطالعه ی هم گروهی مبتنی بر بیمارستان بود که در طی یک دوره ی 10 ساله، تمامی بیماران مبتلا به سکته ی قلبی حاد با سن بالاتر از 65 سال ساکن اصفهان و نجف آ...
chapter one is devoted to a moderate discussion on preliminaries, according to our requirements. chapter two which is based on our work in (24) is devoted introducting weighted semigroups (s, w), and studying some famous function spaces on them, especially the relations between go (s, w) and other function speces are invesigated. in fact this chapter is a complement to (32). one of the main fea...
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