نتایج جستجو برای: percentile interval
تعداد نتایج: 209867 فیلتر نتایج به سال:
PURPOSE The purposes of this study were to determine if young children with rampant dental caries that received complete dental rehabilitation under general anesthesia: 1.) weighed less preoperatively compared to national norms; and 2.) demonstrated significant improvement postoperatively in percentile weight gain and/or quality of life indicators. METHODS The preoperative and postoperative p...
High-sensitivity cardiac troponin I (hs-cTnI) has been used in the diagnosis and risk stratification of acute myocardial infarction. However, there is no common consensus on an hs-cTnI reference interval for the Chinese population. The aim of this study was to describe the distribution of hs-TnI and establish the 99th percentile reference interval for hs-cTnI in healthy adults from the Sichuan ...
BACKGROUND Prolongation of the QT interval after exercise can be used to help diagnose long-QT syndrome, especially when the resting QT interval is borderline. The aim of this study was to determine the normal ranges for QT and corrected QT in the recovery phase after exercise in children. METHODS AND RESULTS Ninety-four volunteer boys and girls aged 8 to < 17 years without any history of hea...
OBJECTIVES To describe changes over time in extent of idiopathic pulmonary fibrosis (IPF) at multidetector computed tomography (MDCT) assessed by semi-quantitative visual scores (VSs) and fully automatic histogram-based quantitative evaluation and to test the relationship between these two methods of quantification. METHODS Forty IPF patients (median age: 70 y, interquartile: 62-75 years; M:F...
BACKGROUND Sulfate is important for fetal growth and development. During pregnancy, the fetus relies on sulfate from the maternal circulation. We report reference intervals for maternal plasma sulfate levels and fractional excretion index (FEI) for sulfate in pregnancy, as well as sulfate levels in cord blood from term pregnancies. METHODS Plasma and urine were collected from 103 pregnant wom...
حوضه رسوبی کپه داغ در شمال و شمال شرق ایران واقع می باشد و سازند خانگیران آخرین نهشته های دریایی این حوضه محسوب می شود. در این مطالعه، برش الگوی این سازند، واقع در شمال شهر درگز، غرب حوضه رسوبی کپه داغ مورد بررسی قرار گرفته است. ضخامت این سازند در این برش 1880 متر می باشد، که 505 متر ابتدایی آن مورد بررسی قرار گرفته است. لیتولوژی این سازند در این برش شامل تناوبی از شیل، مارن، مارن های سیلتی و م...
2. Definition of MTIE The MTIE is historically one of the main time-domain quantities considered for the specification of clock stability requirements in telecommunications standards. In this paper, MTIE is first introduced according to its classical definition and as a percentile quantity. Then, the percentile MTIE is estimated, under the assumption of Time Error (TE) affected by Gaussian Whit...
INTERVAL ESTIMATION OF EXCESS RISK RELATED EFFECTIVE DOSES IN TOBIT MODELS by Jia Wang ADVISOR: Professor Nan Lin December 2009 Saint Louis, Missouri In this thesis we consider interval estimation of excess risk related effective dose (ERED) in dose-response studies using tobit model. Let P (x) be the probability of response at dose level x. Considering the background probability P (0), excess ...
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