نتایج جستجو برای: percentile thresholds

تعداد نتایج: 48058  

Journal: :Schizophrenia Research 2014
Daniel M. Pearlman Souhel Najjar

BACKGROUND N-methyl-d-aspartate receptor (NMDAR) antibodies have been documented in the serum of individuals with primary psychiatric disorders from several independent cohorts, but these findings have not been systematically assessed in aggregate or in relation to methodological covariates. METHODS We searched MEDLINE, EMBASE, and PsycINFO for studies in any language that provided data on NM...

2013
Monika M Safford Gaurav Parmar Codrin S Barasch Jewell H Halanych Stephen P Glasser David C Goff Ronald J Prineas Todd M Brown

BACKGROUND International guidelines recommend that the decision threshold for troponin should be the 99th percentile of a normal population, or, if the laboratory assay is not sufficiently precise at this low level, the level at which the assay achieves a 10% or better coefficient of variation (CV). Our objectives were to examine US hospital laboratory troponin reports to determine whether eith...

Journal: :Climate Dynamics 2021

The South Asian summer monsoon brings copious rain to agriculture-dependent country India and bulk of the precipitation in central is attributed low pressure systems (LPS). Large uncertainty exists statistics LPS during historical period future projections. In this study, we have developed an tracking approach which considers geopotential height anomaly relative vorticity thresholds. validated ...

Journal: :Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2009
Diana L Gray Jeffrey M Dicke Rachel Dickerson Carolyn McCourt Anthony O Odibo

OBJECTIVE The purpose of this study was to analyze humeral length (HL) in a normal population and to compare that with HL in a population of fetuses with trisomy 21 to determine the most efficient discriminating parameters for diagnostic accuracy. METHODS A nested case-control study comparing HLs from a normal population and a population of fetuses with trisomy 21 was conducted. Humeral lengt...

Journal: :Journal of Mathematics and Statistics 2008

Journal: :COLLNET Journal of Scientometrics and Information Management 2017

Journal: :American journal of preventive medicine 2011
Joey C Eisenmann Kelly R Laurson Gregory J Welk

BACKGROUND Although aerobic fitness has been well studied, establishing developmental patterns from previous studies has some limitations including selection bias and the statistical modeling of growth-related data. PURPOSE The purpose of this study was to develop age-, gender-, and race-specific smoothed percentiles for aerobic fitness using the LMS (L=skewness, M=median, and S=coefficient o...

Journal: :Atlantis studies in uncertainty modelling 2021

Journal: :Journal of experimental psychology. Human perception and performance 1998
T A Busey G R Loftus

Mechanisms underlying the binocular combination of visual information were investigated within the context of a visual information acquisition theory proposed by Loftus, Busey, and their colleagues (e.g., as described by T.A. Busey & G. R. Loftus, 1994). A central assumption of the theory is that of a sensory threshold, which engenders an information loss such that information processing subseq...

Journal: :Mathematics 2023

Abnormal passenger behavior in rail transit has become a top priority, as it affects operational safety. Passenger travel time is the main basis for identifying abnormal while considering flexibility of time. Currently, method to use absolute threshold discrimination based on distribution However, there problem missing due large difference between Origin-Destinations (ODs). Therefore, this pape...

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