نتایج جستجو برای: pretest
تعداد نتایج: 10664 فیلتر نتایج به سال:
OBJECTIVES To evaluate the effect of diagnostic soft-tissue ultrasound (US) on management of emergency department (ED) patients with clinical cellulitis. METHODS This was a prospective observational study in an urban ED of adult patients with clinical soft-tissue infection without obvious abscess. The treating physician's pretest opinions regarding the need for further drainage procedures and...
In this paper, we improved the efficiency of parameter estimation in partially linear models, where subspace information is available. We proposed shrinkage and pretest strategies. The asymptotic distributional risk estimators was examined. also conducted a Monte Carlo simulation to evaluate performance estimators. performed better than unrestricted estimator. A real data example used illustrat...
BACKGROUND The limitations of the current diagnostic standard, ventilation-perfusion lung scanning, complicate the management of patients with suspected pulmonary embolism. We previously demonstrated that determining the pretest probability can assist with management and that the high negative predictive value of certain D -dimer assays may simplify the diagnostic process. OBJECTIVE To determ...
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