نتایج جستجو برای: reproducibility of measurements

تعداد نتایج: 21185698  

Journal: :AJNR. American journal of neuroradiology 2011
J S Anderson M A Ferguson M Lopez-Larson D Yurgelun-Todd

BACKGROUND AND PURPOSE Measurements of resting-state functional connectivity have increasingly been used for characterization of neuropathologic and neurodevelopmental populations. We collected data to characterize how much imaging time is necessary to obtain reproducible quantitative functional connectivity measurements needed for a reliable single-subject diagnostic test. MATERIALS AND METH...

Journal: :The British journal of ophthalmology 2001
K Boboridis A Assi A Indar C Bunce A G Tyers

AIM The aim of this study was to assess the repeatability and reproducibility by physicians of upper lid measurements and to investigate the influence of clinical experience on the learning curve effect. METHODS Both eyes of 22 outpatients were assessed for three basic measures of ptosis: marginal reflex distance (MRD) for upper and lower lids, upper lid skin crease (SC), and levator function...

Journal: :Hypertension 1987
D C Wallerson R B Devereux

Serial echocardiograms with acceptable reproducibility of measurements may be produced by careful performance and interpretation of the studies. The following recommendations have been shown to enhance reproducibility. Strict adherence to quality control is necessary to generate echocardiograms of the highest technical quality. Sonographers should be aware of the definition of a technically ade...

Journal: :dental research journal 0
mahtab nouri sohrab asefi asefi alireza akbarzadeh baghban amin aminian mohammad shamsa reza massudi

background: the accuracy and reproducibility of measurements in a locally made three dimensional (3d) simulator was assessed and compared with manual caliper measurements. materials and methods: a total of 20 casts were scanned by our laser scanner. software capabilities included dimensional measurements, transformation and rotation of the cast as a whole, separation and rotation of each tooth ...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2006
mohammad pourmahabadian norman dombrowski derek b. ingham

personal samplers or in general blunt body samplers are widely used in occupational hygiene for collecting air contaminants in the work environments. this work is part of an ongoing research into the performance evaluation of personal samplers, particularly in terms of their aerodynamic properties. velocity profiles have been measured around and within typical cylindrical sampling devices, plac...

Journal: :iranian journal of medical sciences 0
ava mansouri research center for rational use of drugs, tehran university of medical sciences, tehran, iran rozita motaghedi school of pharmacy, international campus, tehran university of medical sciences, tehran, iran arash rashidian department of global health and public policy, school of public health, tehran university of medical sciences, tehran, iran asieh ashouri school of health, guilan university of medical sciences, rasht, iran mona kargar research center for rational use of drugs, tehran university of medical sciences, tehran, iran moluk hajibabaei research center for rational use of drugs, tehran university of medical sciences, tehran, iran

abstract therapy-related symptom checklist for children (trsc-c) was developed as a symptom assessment tool in children receiving chemotherapy. the objective of the present study was to evaluate the validity and reliability of the persian version of trsc-c. this cross-sectional study was conducted in 2013-2014 in tehran, iran. trsc-c was translated using backward-forward approach. the content v...

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