intraobserver variability
Intraobserver Variability in the MR Determination of Tumor Volume in Squamous Cell Carcinoma of the Pharynx
... (intraobserver variability) were determined. Differences in intraob- server variability between primary lesions and nodes, as well as between stages of treatment were tested with a Wilcoxon rank sum ...
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Intra and Interobserver Agreement and Impact of Arterial Input Selection in Perfusion CT Measurements Performed in Squamous Cell Carcinoma of the Upper Aerodigestive Tract
... We have included a predominantly male population (male-female, 9:1) and a larger number of patients with stage IV tumors than with stage III tumors (stage IV-III, 4:1). The predominantly male patient population of the ...
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Inter -and intraobserver variation of ultrasonographic cartilage thickness assessments in small and large joints in healthy children
... In a recent study we have tried to accede to this problem by comparing US wrist cartilage thickness to MRI meas- urements defined as "gold standard" [20]. We found, that the best approach for assessing wrist ...
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Intraobserver and interobserver variability in schemes for estimating volume of brain lesions on MR images in multiple sclerosis
... interobserver variability obtained by the combined use of fast FLAIR and the semiautomated technique based on local thresholding is lower than the intraobserver variability obtained by using 5-mm CSE ...
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Evaluation of the proliferation marker Ki-67 in gliomas: Interobserver variability and digital quantification
... of intraobserver variability the best results were achieved for the digital method, when evaluating the mean values of whole tumour ...an intraobserver variation of zero categories (agreement) for ...
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The limited usefulness of real-time 3-dimensional echocardiography in obtaining normal reference ranges for right ventricular volumes
... unacceptable intraobserver variability with both ...The intraobserver var- iability of 2DE derived areas was slightly better than that of RT3DE derived volumes in the unblinded ...interobserver ...
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Magnetic resonance imaging arthrography following type II superior labrum from anterior to posterior repair: interobserver and intraobserver reliability
... Methods: Twenty-five patients with an isolated type II SLAP lesion (confirmed via diagnostic arthroscopy) underwent standard suture anchor-based repair. At a mean of 25.2 months post- operatively, patients underwent a ...
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Inter and Intraobserver Agreement in Scoring Angiographic Results of Intra Arterial Stroke Therapy
... noise, variability or lack of precision may affect results of studies comparing 2 ...The variability we observed in judging the success of the procedure was probably underestimated because there are many ...
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Age Estimation Using Digital IOPA- A Short Study
... Aims and Objectives: The aim of the study is estimating the age of a person from his teeth particularly using the pulp to tooth area ratio. This ratio will be measured from the digital intraoral radiographic images taken ...
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Carotid Artery Wall Thickness Measured Using CT: Inter and Intraobserver Agreement Analysis
... The Kolmogorov-Smirnov Z-test for the distribution the normal- ity of each continuous variable group was calculated. Continuous data were described as the mean value ⫾ SD, and they were com- pared by using a Student t ...
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Intraobserver and interobserver reliability of computed tomography measurements of the soft palate in French bulldogs
... the intraobserver and interobserver reliability varied on different measurements of the soft ...excellent intraobserver and interob- server reliability and may be considered as reliable measurements on the ...
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Can Iterative Reconstruction Improve Imaging Quality for Lower Radiation CT Perfusion? Initial Experience
... For the MTT ences were even smaller than interobserver and intraobserver maps, region of interest in the gray matter, tube current of 100 variabilities reported in the literature.24,25 m[r] ...
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Hepatitis C virus eradication improves immediate and delayed episodic memory in patients treated with interferon and ribavirin
... 20. The French METAVIR Cooperative Study Group. Intraobserver and interobserver variations in liver biopsy interpretation in patients with chronic hepatitis C. Ghany MG, Nelson DR, Strad[r] ...
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Intra and interobserver reliability of glenoid fracture classifications by Ideberg, Euler and AO
... Our study includes several limitations. Having only a small sample size of 84 cases might be too limited in order to highly recommend the superiority of the new AO classification compared with Ideberg and Euler clas- ...
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Interscanner Variation in Brain MR Lesion Load Measurements in Multiple Sclerosis Using Conventional Spin Echo, Rapid Relaxation Enhanced, and Fast FLAIR Sequences
... the variability in re- positioning would similarly influence all three se- ...terscanner variability of the fast-FLAIR sequence is attributable to the different acquisition parame- ters ...
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Temporal and technical variability of human gut metagenomes
... represent group-wise medians. Relatively lower correlation between time points was apparent for the Alien samples (red squares), which were taken before and after antibiotics treatment (see main text). (C,D) ...
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Classification of distal radius fractures in children: good inter and intraobserver reliability, which improves with clinical experience
... The statistical analyses were performed using the free software R version 2.9.2 [28] and the associated package irr [29]. Kappa statistics were used to analyze interob- server and intraobserver variation. The ...
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Original Article Accuracy of grading of urothelial carcinoma on urine cytology: an analysis of interobserver and intraobserver agreement
... While other studies have examined interobserv- er variability in the histologic grading of urothe- lial carcinoma, none have focused on cytologic grading. Our purpose was not to refine existing criteria for the ...
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Comparison of semi automated and manual measurements of carotid intima media thickening
... Freire et al. [9] reported no differences between auto- mated and manual CIMT calculations; however automated methods provided lower interobserver and intraobserver variation coefficients. Puchner et al. [10] ...
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Intraobserver and interobserver reliability of measures of cervical sagittal rotation
... One of the more popular measurement techniques is the Method 1. This method measures from the inferior end- plate of the vertebra above the degenerative disc to the su- perior endplate of the vertebra below. Our study ...
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