Results 81 to 90 of about 6,644,877 (248)

Establishment of diagnostic reference levels in computed tomography for select procedures in Pudhuchery, India

Journal of Medical Physics, 2014
Computed tomography (CT) scanner under operating conditions has become a major source of human exposure to diagnostic X-rays. In this context, weighed CT dose index (CTDI w ), volumetric CT dose index (CTDI v ), and dose length product (DLP) are ...
A Saravanakumar, K Vaideki, K N Govindarajan, S Jayakumar   +3 more
doaj   +1 more source

Towards establishment of diagnostic reference levels based on clinical indication in the state of Qatar

European Journal of Radiology Open, 2020
Objectives: The objectives of this study were to: 1) evaluate patient radiation exposure in CT and 2) establish CT Diagnostic Reference Levels (DRL)s based on clinical indication (CI) in Qatar.
Huda AlNaemi, Virginia Tsapaki, Ahmed J. Omar, Maryam AlKuwari, Amal AlObadli, Shady Alkhazzam, Antar Aly, Mohammad Hassan Kharita   +7 more
doaj   +1 more source

Statistical evaluation of visual quality metrics for image denoising

, 2017
This paper studies the problem of full reference visual quality assessment of denoised images with a special emphasis on images with low contrast and noise-like texture.
Egiazarian, Karen, Ieremeiem, Oleg, Lukin, Vladimir, Ponomarenko, Mykola   +3 more
core   +1 more source

Diagnostic reference levels for the city of Moscow during X-ray examinations

Радиационная гигиена
Diagnostic reference levels are one of the effective tools for optimizing patient radiation doses in diagnostic radiology. The staff of domestic radiology departments does not have an understanding of the development process and use of diagnostic ...
Yu. V. Druzhinina, Z. A. Lantukh, K. V. Tolkachev, I. V. Soldatov, M. P. Shatenok, A. V. Vodovatov, P. S. Druzhinina, I. G. Shatsky, S. A. Ryzhov   +8 more
doaj   +1 more source

Normal Reference Levels of Serum Cystatin C in Saudi Adults

Saudi Journal of Kidney Diseases and Transplantation, 2008
This is the first report from Saudi Arabia studying the normal reference intervals in adult Saudi subjects and evaluating serum cystatin C as a prospective marker for the assessment of the glomerular filtration rate (GFR).
Al Wakeel Jamal, Memon Nawaz, Chaudhary Abdul, Mitwalli Ahmad, Tarif Nauman, Isnani Arthur, Hammad Durdana   +6 more
doaj  

Review of approaches to establish reference levels to interpret indicators [PDF]

Agricultural and Food Policy, Environmental Economics and Policy, Farm Management, Land Economics/Use,
Bellon, Stephane, Bockstaller, Christian, Brouwer, Floor M., Garrod, Guy, Geniaux, Ghislain, Oliveira, Rosario, Smith, Peter, Stapleton, Lee, van der Heide, C.M., Weinzaepflen, Emmanuelle, Zhang, Chengyi   +10 more
core   +1 more source

Definition of the upper reference limit of glycated albumin in blood donors from Italy [PDF]

, 2017
Glycated Albumin (GA) has been proposed as a short-term indicator of glycemic homeostasis. The aim of this study is to describe the distribution of GA in a large sample of blood donors from Italy to evaluate whether demographic features, namely age and ...
Agnello, Luisa, Bellia, Chiara, Bivona, Giulia, Ciaccio, Marcello, Cosma, Chiara, Plebani, Mario, Sasso, Bruna Lo, Zaninotto, Martina   +7 more
core   +1 more source

How Many Participants Do We Have to Include in Properly Powered Experiments? A Tutorial of Power Analysis with Reference Tables

Journal of Cognition, 2019
Given that an effect size of d = .4 is a good first estimate of the smallest effect size of interest in psychological research, we already need over 50 participants for a simple comparison of two within-participants conditions if we want to run a study ...
M. Brysbaert
semanticscholar   +1 more source

Serum thyroxin level during the first-trimester of pregnancy [PDF]

, 2011
Objective: The aim of this study was to assess the requirement of serum thyroxin levels during the early stage of the first trimester of pregnancy. Methodology: Serum thyroxin levels of 120 apparently healthy women were evaluated in Gorgan in northern ...
Mansourian, A.R., Mansourian, H.R., Saifi, A.   +2 more
core  

Activities of \gamma-ray emitting isotopes in rainwater from Greater Sudbury, Canada following the Fukushima incident

, 2012
We report the activity measured in rainwater samples collected in the Greater Sudbury area of eastern Canada on 3, 16, 20, and 26 April 2011. The samples were gamma-ray counted in a germanium detector and the isotopes 131I and 137Cs, produced by the ...
Cleveland, B. T., Duncan, F. A., Lawson, I. T., Smith, N. J. T., Vazquez-Jauregui, E.   +4 more
core   +1 more source