• Intra-observer variances were 0.001 +/- 0.001 mm2 for cup area (mean +/- SD), 0.002 +/- 0.002 mm2 for disc area and 0.002 +/- 0.003 mm2 for rim area. (nih.gov)
  • These values for intra-observer variance were comparable with the results obtained using manual planimetric techniques. (nih.gov)
  • Intra-observer variance for disc area was significantly larger for the less trained of the two experienced observers. (nih.gov)
  • This process is laborious and subject to considerable inter- and intra-observer variations. (nature.com)
  • This study looked at intra-observer and inter-observer reliability among three emergency physicians (EPs) using three different imaging protocols. (medscimonit.com)
  • Numerous studies have shown, however, that inter- and intra-observer variability of radiograph readings by trained medical personnel has persisted. (cdc.gov)
  • Does registration of PET and planning CT images decrease interobserver and intraobserver variation in delineating tumor volumes for non-small-cell lung cancer? (elsevierpure.com)
  • Dive into the research topics of 'Does registration of PET and planning CT images decrease interobserver and intraobserver variation in delineating tumor volumes for non-small-cell lung cancer? (elsevierpure.com)
  • Therefore, we evaluated inter- and intraobserver variations in US assessment of thyroid nodules and diagnosis among four radiologists and estimated its diagnostic accuracy. (elsevierpure.com)
  • Inter- and intraobserver variations were determined with Cohen's kappa statistics, and accuracy was calculated. (elsevierpure.com)
  • 7 We have assessed the validity of volumetric measurements using a near focus transducer on a Doppler ultrasound phantom and determined the intraobserver and interobserver reproducibility of right common carotid artery (CCA) flow in newborn infants. (bmj.com)
  • Inter- and intraobserver agreement in judging angiographic results remain poorly characterized. (ajnr.org)
  • There have been few reports evaluating thyroid US performance and even fewer reports of observer variability in US assessment. (elsevierpure.com)
  • Few data are available regarding either the interobserver variability (reproducibility) of MR images in these circumstances or the correlation between images and the histopathologic appearances of the brain (accuracy). (ajnr.org)
  • Morphological variability or inter-observer bias? (researchgate.net)
  • To reduce inter- and intra-reader variability in diagnosing chest radiographs, a neural network-based computer-aided diagnostic system was developed and tested. (cdc.gov)
  • This retrospective study aimed to assess the concordance and interobserver variation between histopathologists in reporting prostatic adenocarcinoma using material obtained from prostatic core biopsy specimens. (who.int)
  • La présente étude rétrospective visait à évaluer la concordance et la variation inter-observateurs parmi les histopathologistes dans la notification de l'adénocarcinome prostatique à partir d'échantillons de microbiopsie prostatiques. (who.int)
  • The coronal imaging technique demonstrated less inter-rater variance and may be a better technique when such small measurement differences are important. (medscimonit.com)
  • The Cohen Kappa coefficient was used as a measure of inter-rater agreement. (nih.gov)
  • To determine the inter-rater reliability of the Institute for Healthcare Improvement's Global Trigger Tool (GTT) in a practice setting, and explore the value of individual triggers. (nih.gov)
  • These data suggest comparable precision and inter-observer reliability can be achieved. (medscimonit.com)
  • The absolute differences between the two observers ranged from -0.35 to +0.20 mm2 (-0.08 +/- 0.11 mm2) for cup area, from -0.38 to +0.15 mm2 (-0.08 +/- 0.11 mm2) for disc area and from -0.29 to +0.34 mm2 (-0.06 +/- 0.12 mm2) for rim area. (nih.gov)
  • The aim of this study was to determine the intra- and inter-observer variation in the use of a system designed for exact measurements from standard optic nerve head photographs. (nih.gov)
  • Masked measurements were made 3 times by 2 observers, from stereophotographs of the optic nerve head of 56 eyes from 30 glaucoma suspects. (nih.gov)
  • Reproducibility studies were performed on 30 newborn infants by two observers. (bmj.com)
  • Previous research has reported levels of agreement between parents' and teachers' report of children's behavior, but relatively little attention has been paid to the agreement between teachers or between teachers and observers. (umass.edu)
  • In general, teacher-observer agreement has been found to be superior to parent-teacher agreement, but inferior to inter-teacher agreement. (umass.edu)
  • Agreement between teacher reports was stronger than teacher-observer agreement. (umass.edu)
  • Inter-teacher agreement, and some types of teacher-observer agreement, showed significant variation across informant pairs. (umass.edu)
  • Agreement among 9 responding observers was moderate for both the TICI (κ = 0.45 ± 0.01) and arterial occlusive lesion (κ = 0.39 ± 0.16) scales. (ajnr.org)
  • Agreement was similar (moderate) when 3 observers had access to a portfolio (κ = 0.59 ± 0.06 and 0.49 ± 0.07, respectively) or to the full angiographic data (κ = 0.54 ± 0.06 and 0.59 ± 0.07, respectively). (ajnr.org)
  • There was considerable interobserver agreement between the pathologists, with unweighted kappa scores ranging from 0.69-0.85. (who.int)
  • It is responsible Sample the precision pertaining to agreement for 10% of cancer deaths ( 1 ) and is on between observers (interobserver the increase in most countries ( 2 ). (who.int)
  • Three expert observers had to score treatment outcomes by using a similar portfolio of 32 patients or when they had full access to all angiographic data, twice for each method 3-12 months apart. (ajnr.org)
  • These inter-observer variances were significantly larger than those previously reported for manual planimetry. (nih.gov)
  • To control for variations between population groups, it has been common to develop growth charts specific to ethnic groups and nations. (tidsskriftet.no)
  • Firstly, Intra- and inter-observer reproducibility was evaluated using intra-class correlation coefficient (ICC) and coefficient of variation (CoV). (researchsquare.com)
  • This retrospective study aimed to assess the concordance and interobserver variation between histopathologists in reporting prostatic adenocarcinoma using material obtained from prostatic core biopsy specimens. (who.int)
  • Ten of the photograph sets were marked by each of us independently to assess interobserver error. (medscape.com)
  • Objective: To assess interobserver reproducibility of different regions of interest (ROIs) on multi-parametric renal MRI using commercially available software. (gla.ac.uk)
  • Aim: To assess interobserver reproducibility of major pathologic prognostic parameters in cutaneous melanoma. (eduhk.hk)
  • Aims: 1) Retrospectively compare TVVT (all lesions) vs. RECIST/other density criteria (target lesions) 2) Correlate TVVT, RECIST and treatment response/outcomes 3) Assess inter-observer variation in TVVT vs. RECIST Clinical impact: Automated, comprehensive analysis of tumor volumetric density in PACS should better predict outcomes, improve cancer staging, and make tumor reporting more widespread. (nih.gov)
  • The observers independently determined the tumor thickness, Clark level of invasion, ulcerative state, and TMR for each lesion. (eduhk.hk)
  • We found high inter-individual variation, but high agreement within participants (ICCs between 0.649 and 0.855). (frontiersin.org)
  • DISCUSSION: Although the point estimates for the ICCs of the MFG method are equal or higher than the standard method, the confidence intervals for the ICCs overlap, indicating that the MFG is at least equivalent to the standard method in terms of inter-rater reliability. (mcmaster.ca)
  • There was considerable interobserver agreement between the pathologists, with unweighted kappa scores ranging from 0.69-0.85. (who.int)
  • The interobserver agreement was moderate in the first session (mean overall kappa: 0.48) and substantial in the second (mean overall kappa: 0.67). (nih.gov)
  • Agreement between observers was calculated using Kappa statistics. (johnshopkins.edu)
  • Moreover, high inter-observer and sampling-dependent variation in the histologic staging of dysplasia make clinical risk assessment problematic. (nih.gov)
  • A novel semi-automatic measurement system for retinal vessel central reflex caliber quantification was demonstrated to be valid when against the grading by an experienced grader, and have high inter- and intra-observer reproducibility. (arvojournals.org)
  • PURPOSE OF THE STUDY: To compare the inter-rater reliability of using a modified finger goniometer (MFG) for the measurement of isolated forearm rotation for patients with distal radius fractures to the currently accepted technique for isolated forearm measurement. (mcmaster.ca)
  • The failure by the observer to measure or identify a phenomenon accurately, which results in an error. (bvsalud.org)
  • Our final results show the network detects albatrosses as accurately as human observers for two of the islands, while in the other two misclassifications are largely caused by the presence of noise, cloud cover and habitat, which was not present in the training dataset. (nerc.ac.uk)
  • We show that (1) interobserver variation in manual counts is significant and differs between the four islands, (2) the small dataset can limit the networks ability to generalise to unseen imagery and (3) the choice of ground truth labels can have a significant impact on our assessment of network performance. (nerc.ac.uk)
  • High inter-observer reproducibility was indicated: Pearson'scorrelation 0.81 for CR to arterial caliber ratio. (arvojournals.org)
  • Similarly, high intra-observer reproducibility was achieved. (arvojournals.org)
  • Discussion: Kidney volume calculated by manually contouring a localiser scan was highly reproducible between observers and detected significant differences across patient groups. (gla.ac.uk)
  • Results of the structural analysis suggested a co-variation between speech production and disfluent motor performances. (abainternational.org)
  • weeks of gestation collected within the Swiss Neonatal Network were sent to 27 observers for reviewing. (johnshopkins.edu)
  • We collect counts from six observers, and train a convolutional neural network (U-Net) using leave-one-island-out cross-validation and different combinations of ground truth labels. (nerc.ac.uk)
  • Two varieties are inter-observer variation (the amount observers vary from one another when reporting on the same material) and intra-observer variation (the amount one observer varies between observations when reporting more than once on the same material). (bvsalud.org)
  • when inter-connecting capillaries are running parallel to the epithelium surface [3]. (nih.gov)
  • A measure that is frequently used to quantify the range of gaze angles within which an observer assumes mutual gaze is the cone of direct gaze (CoDG). (frontiersin.org)