VariabilityInterobserverInter-observer variationReadingsConcordanceConsiderableComplicationsModerateDiagnosisAcuteComparableResultsMeasurementPathologyStudyPatientsAgreementDataSuccessTreatmentScoreStudiesTimesStatisticsReproducibilityReliabilityRepeatabilityTried to evaluateFellowship-trainedResultsExamination
Variability7
- There have been few reports evaluating thyroid US performance and even fewer reports of observer variability in US assessment. (elsevierpure.com)
- Such variability can be caused by, for example, intra-individual variability and inter-observer variability. (wikipedia.org)
- 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)
- Numerous studies have shown, however, that inter- and intra-observer variability of radiograph readings by trained medical personnel has persisted. (cdc.gov)
- ANOVA, Bland-Altman analyses, coefficients of variation and assessment of intraclass correlation coefficients were conducted to assess the effect of the abovementioned aspects as well as assess both inter-observer and intra-observer variability. (uib.no)
- Intra-and inter-observer variability and the internal consistency of the scale were assessed. (who.int)
- However, several studies have demonstrated variability in intraobserver and interobserver agreement. (wustl.edu)
Interobserver8
- 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)
- Stereo fundus photography has been used to reduce interobserver variation, but little data have been reported quantifying the level of agreement in these situations. (nih.gov)
- This article examines chance-corrected intraobserver and interobserver agreement for horizontal and vertical cup:disc ratios and width of the narrowest remaining neuroretinal rim on stereo, color, fundus photographs. (nih.gov)
- Both intraobserver and interobserver agreement were best for glaucoma patients followed by ocular hypertensives and controls. (nih.gov)
- 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)
- Purpose: To evaluate interobserver and intraobserver agreement in the assessment of intra-articular lesions associated with shoulder instability among fellowship-trained shoulder surgeons. (wustl.edu)
- Conclusion: Interobserver and intraobserver reliability for the arthroscopic assessment of labral tears in patients with recurrent shoulder instability were good to moderate for the majority of anatomic structures assessed. (wustl.edu)
Inter-observer variation2
- 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)
- 79 consecutive MR scans were included to calculate the inter-observer variation. (keyopinionleaders.com)
Readings2
- Inter- and intra-individual agreement were assessed from the readings of the slides (positive or negative) by four persons at t = 3, 5, and 10 min after sample incubation. (erowid.org)
- 4 ]. To avoid inter-observer bias, four readings were taken on each MRI study by two observers. (sicot-j.org)
Concordance1
- The median intraobserver percentage of concordance in the registered/nonregistered group was 58% vs. 71% in the registered/registered group (p = 0.10). (elsevierpure.com)
Considerable2
- This process is laborious and subject to considerable inter- and intra-observer variations. (nature.com)
- There was a considerable variation in the reading of the slides between different persons. (erowid.org)
Complications1
- Several cross-sectional studies find associations between blunted circadian BP variation and cardiovascular complications ( 2 - 4 ). (diabetesjournals.org)
Moderate6
- On qualitative analysis, the intraobserver differences in the registered/nonregistered group were insignificant in 2, minor in 2, moderate in 0, and major in 5 of 9. (elsevierpure.com)
- 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)
- Intraobserver agreement was "fair to moderate" for both methods. (ajnr.org)
- A trained pathologist can usually detect tissue changes under a light microscope, but the inter-observer agreement for dysplasia is generally less than moderate. (techscience.com)
- Intraobserver agreement was either good or very good for all variables evaluated, except for being poor for inferior labral lesions and moderate for lesions of the meniscoid superior labrum. (wustl.edu)
Diagnosis2
- 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)
- Relatively recently, it was demonstrated that TB diagnosis peaked between April and June and reached a nadir between October and December in northern India and magnitude of seasonal variation had significant positive correlation with TB case rates [ 17 ]. (biomedcentral.com)
Acute2
- Angiographic results are commonly used as surrogate markers of the success of intra-arterial therapies for acute stroke. (ajnr.org)
- The aim of this study was to evaluate prospectively the observer variation in the detection of pathology on MRI for suspected acute scaphoid fracture. (keyopinionleaders.com)
Comparable1
- These values for intra-observer variance were comparable with the results obtained using manual planimetric techniques. (nih.gov)
Results2
- Inter- and intraobserver agreement in judging angiographic results remain poorly characterized. (ajnr.org)
- As urine cytology mainly relies on manual microscopic examination by cytopathologists and cytotechnologists, determining the N/C ratio through the naked eyes results in intra- and inter-observer variations and therefore generates subjective, inconsistent, and unreproducible reports. (aacrjournals.org)
Measurement3
- A measurement may be said to be repeatable when this variation is smaller than a pre-determined acceptance criterion. (wikipedia.org)
- The measurement was made by one observer blinded to other data. (diabetesjournals.org)
- This small prospective study from a single center showed that the renal cortex's color Doppler sonographic dynamic tissue perfusion measurement had very good intraobserver reproducibility. (medscimonit.com)
Pathology1
- The demand is motivated by the current inter and intra-observer variations, fuzzy areas of grading, and the repetitive and time-consuming process of diagnosing pathology slides. (techscience.com)
Study1
- The aim of the present study was to describe associations between QT dispersion and circadian BP variation as well as autonomic function in type 1 diabetic patients. (diabetesjournals.org)
Patients3
- 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)
- Patients were examined by two experienced observers who were blinded to each other's interpretation. (biomedcentral.com)
- Hence, the OC4D may serve as a valuable parameter and intra-operative tool to guide vertical restoration during occipitocervical fusion (OCF) for patients with altered occiput-cervical anatomy. (biomedcentral.com)
Agreement2
- Intraobserver agreement was substantial to almost perfect for both readers (kappas between 0.82 and 0.86 for horizontal and vertical cup:disc ratios and 0.71 for the neuroretinal rim). (nih.gov)
- Agreement is optimized by using stereo photographs, using the same observer and, when evaluating progression, comparing photographs from different points in time at a single sitting. (nih.gov)
Data3
- The role of diabetic autonomic neuropathy in both QT dispersion and circadian BP variation has been proposed, but data have been conflicting. (diabetesjournals.org)
- There is paucity of data on seasonal variation in pulmonary tuberculosis (TB) in developing countries contrary to recognized seasonality in the TB notification in western societies. (biomedcentral.com)
- however, these systems still require close range landscapes have significant impact on foraging and reproductive observations that can influence animal behavior, limit the number success, inter and intra-specific competition, creation and persis- of animals studied, and frequency of data captured [16,17]. (cdc.gov)
Success1
- Despite this success, goitre is still en- was determine by an endocrinologist and demic in schoolchildren [ 4 ]. (who.int)
Treatment2
- A portfolio of 148 pre- and post treatment images of 37 cases of proximal anterior circulation occlusions was electronically sent to 12 expert observers who were asked to grade treatment outcomes according to recanalization (of arterial occlusive lesion) or reperfusion (TICI) scales. (ajnr.org)
- They were asked to classify labral tears by their position, type, extension, other intra-articular abnormality, and preferred treatment. (wustl.edu)
Score3
- The education domain contributed to 0.898 of variation in total score. (who.int)
- Un modèle de régression linéaire a été mis en oeuvre pour déterminer l'importance relative de chaque domaine par rapport au score total. (who.int)
- Le domaine portant sur le niveau d'études contribuait pour 0,898 dans la variation du score total. (who.int)
Studies1
- Reproducibility studies were performed on 30 newborn infants by two observers. (bmj.com)
Times1
- 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)
Statistics1
- Inter- and intraobserver variations were determined with Cohen's kappa statistics, and accuracy was calculated. (elsevierpure.com)
Reproducibility2
- For each imaging system, we studied intra- and interobserver reproducibility and the agreement between interpretations and reference measurements. (ajnr.org)
- Firstly, Intra- and inter-observer reproducibility was evaluated using intra-class correlation coefficient (ICC) and coefficient of variation (CoV). (researchsquare.com)
Reliability6
- This study examines inter- and intra-observer reliability of fat-suppressed (fs) and non-fat-suppressed (nfs) MR imaging for determination of IPFP morphological measurements as novel biomarkers. (nih.gov)
- The intra-observer reliability was determined from baseline and 1-year follow-up images. (nih.gov)
- A paucity of evidence exists as to its inter‐ and intra‐observer reliability and the impact of clinicians' gender, training and experience on accuracy. (shu.ac.uk)
- The study aimed to evaluate the inter and intra-rater reliability of three introduced carpal collapse measurements (CHR, RCHR, & CR distance) to introduce the most reliable method for future workouts. (ac.ir)
- The overall intra-observer reliability was equal to 0.891 for CHR, 0.792 for RCHR, and 0.942 for CR index. (ac.ir)
- Diagnostic ultrasound (five articles) was validated in three articles, but there is scarce information about observer reliability and variables affecting the measurement. (biomedcentral.com)
Repeatability3
- The following conditions need to be fulfilled in the establishment of repeatability: the same experimental tools the same observer the same measuring instrument, used under the same conditions the same location repetition over a short period of time. (wikipedia.org)
- The data from the five expert observers was analyzed and R 2 correlation coefficients determined for intraobserver and interobserver repeatability in addition to a comparison of the assessments of film versus digital images. (arvojournals.org)
- The coefficients of variation (SD/mean) for the repeatability of the observers were calculated. (arvojournals.org)
Tried to evaluate1
- We tried to evaluate intra-observer variation of physical examination in diagnosing of varicocele. (journalcra.com)
Fellowship-trained2
- Five observers, fellowship-trained Glaucoma specialists, each evaluated the photographs on two separate occasions to compare 1) vertical cup/disc ratio and 2) horizontal cup/disc ratio. (arvojournals.org)
- Three observers contributed to this study, including one orthopedic resident with 3 years of experience (observer 1), one fellowship-trained hand surgeon (observer 2), and one senior radiology resident with 4 years of experience (observer 3). (ac.ir)
Results2
- The failure by the observer to measure or identify a phenomenon accurately, which results in an error. (bvsalud.org)
- The results of evaluating the metacarpal length, carpal height, capitate length, and CR distance by 3 observers at 3 stages are demonstrated in Table 1 . (ac.ir)
Examination2
- Clinical examination of scrotum is the main technique diagnosing for it, which is subject to great inter and intra-observer variation. (journalcra.com)
- Conclusion: Uniformity of physical examination methods in varicocele diagnosing is needed to reduce intra- observer variation. (journalcra.com)