نتایج جستجو برای: sectional classification
تعداد نتایج: 680514 فیلتر نتایج به سال:
PURPOSE In evaluating the impact of surgical repair of pectus excavatum, the Haller index developed for preoperative decision-making purposes may be inadequate to quantify postoperative changes in shape of the chest. Individual patients may also have chest characteristics that impact the success of repair, many of which would be unlikely to be measured by the Haller index alone. We have develop...
purpose: nurses can directly influence health services quality and outcomes. they need correct information in due time to provide an effective service for the patient and other healthcare personnel. nursing information system is a subsystem of hospital information system that can help nurses to have better performances. the goal of this study was to evaluate nursing information system of hospit...
Background & Objectives : The identification of risk factors and their interactions is important in medical studies. The aim of this study was to identify the interaction of risk factors of cerebral palsy in 1-6 years-old children with classification regression methods. Methods : The data of this cross-sectional study which was conducted on 225 children aged 1-6 years was collected during 2...
The cross sectional echocardiographic description of holes in the ventricular septum has been unsatisfactory, chiefly because there are so many classifications of this defect. The accurate description of the anatomy of individual defects, from cross sectional images, is more important than attempts to fit them into a preconceived classification. One hundred specimens of hearts with a ventricula...
One of the basic problems of Riemannian geometry is the classification of manifolds of positive sectional curvature. The known examples include the spherical space forms which carry constant curvature metrics and the rank 1 symmetric spaces whose canonical metrics have sectional curvatures at each point varying between 1 and 4. In 1951 H.E. Rauch [18] introduced the notion of curvature pinching...
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