نتایج جستجو برای: cut point
تعداد نتایج: 589103 فیلتر نتایج به سال:
Background: Two questions about diagnostic value of urinary neutrophil gelatin associated lipocalin (uNGAL) in detection of acute kidney injury (AKI) in children have remained unanswered; first, which cut-off point of uNGAL has the highest value in detection of AKI; and second when is the best time for measuring this biomarker in a patient? Accordingly, the present study aimed to conduct a syst...
Abstract Introduction: The purpose of this study was to determine the prevalence of mental disorders among high school students in the city of Rafsanjan in the academic year 2001-2002, and to assess the re- lated demographic factors.Method: 830 students were selected through multistage cluster sampling and their mental health status was assessed by SCL-90-R and for suspicious cases of psychiat...
Introduction: In medical diagnostic field, evaluation of diagnostic accuracy of biomarkers or tests has always been a matter of concern. In some situations, one biomarker alone may not be sufficiently sensitive and specific for prediction of a disease. However, combining multiple biomarkers may lead to better diagnostic. The aim of this study was to assess the performance of combination of bio...
Gastpar and Vetterli named the ad-hoc networks with one randomly selected source-destination pair as relay networks and they suggested using arbitrary network coding in order to increase the overall efficiency Here, the relay network is investigated with two relays and no interference and a new achievable rate is obtained using a new network coding (decode-and-broadcast). The obtained achievabl...
We present a segmentation method for 3D point clouds, resulting from a stereo camera. Given an unsorted list of points the algorithm splits the data recursively until some quality level is achieved. In the second and the last step we use a mincut method in order to summarize similar plane-clusters from a global point of view. The method does not require any prior knowledge about the scene and w...
Measuring sedentary behaviour and physical activity with wearable sensors provides detailed information on activity patterns and can serve health interventions. At the basis of activity analysis stands the ability to distinguish sedentary from active time. As there is no consensus regarding the optimal cut-point for classifying sedentary behaviour, we studied the consequences of using different...
BACKGROUND The Actionable questionnaire is an 8-item tool to screen patients with multiple sclerosis (MS) for neurogenic bladder problems, identifying those patients who might benefit from urological referral and bladder-specific treatment. The original scoring yields a total score of 0 to 24 with cut-off point 6. A simplified scoring, yielding a total score of 0 to 8 with cut-off point 3, has ...
Background: Endometrial carcinoma is the most common malignancy of the female genital tract. Different molecular alterations have been described in endometrioid endometrial carcinoma that, the most frequently altered gene is mutations of PTEN. Up to 50-83% of endometrioid carcinoma reveal altered PTEN characterized by loss of expression. In endometrial hyperplasia, which are precursors of endom...
Background: One of the common problems of the elderly, which increase of its prevalence with aging is the dementia and the cognitive impairment. We can help the involved patients to have a better quality of life with early diagnosis of the cognitive impairment. The aim of this study was an assessment of the validity and reliability of the Persian version of the abbreviated mental test (AMT) amo...
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