bland Altman analysis.
Multicenter Evaluation of the Cepheid Xpert Hepatitis C Virus Viral Load Assay
... This study showed that the Xpert HCV Viral Load assay accurately quantifies HCV viral load compared to a leading commercial assay used worldwide. Also, the Xpert HCV Viral Load assay performed strongly in a well-respected ...
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Measurement of corneal and limbal epithelial thickness by anterior segment optical coherence tomography and in vivo confocal microscopy
... Data were statistically analyzed by SPSS program statis- tical package V13.0 (SPSS Inc, Chicago, IL, USA). Basic descriptive statistics were calculated on all data gathered, and values were reported as mean ± SD. ...
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Volume quantification by contrast-enhanced ultrasound: an in-vitro comparison with true volumes and thermodilution
... P<0.05. Bland- Altman analysis was used to determine the agreement between measured volumes and the true volumes ...repeated-measures analysis of variance (ANOVA) and the intraobserver ...
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Optimal Minimum Number of CT Slices Required to Measure Cross Sectional Areas of Small Pulmonary Vessels
... Correlations between the %CSA-1 and the %CSA-3 cm-interval, %CSA-6 cm-interval and %CSA-3 slices were determined using Spearman’s rank correlation coefficient (ρ values). Data are expressed as means ± standard deviation. ...
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Repeatability of intraocular pressure measurements with Icare PRO rebound, Tono-Pen AVIA, and Goldmann tonometers in sitting and reclining positions
... IOP between each of the three tonometers [17]. The lin- ear mixed effects model was also used to evaluate differ- ences in IOP measurement between sitting and reclining positions within ICP and TPA, respectively. In ...
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Poor inter-observer agreement in the measurement of respiratory rate in children: a prospective observational study
... When the RR measured by the HCP (RR1) was compared with the RR measured by the second observer (RR3, Paediatric Respiratory Physiologist) Bland-Altman analysis showed a mean differenc[r] ...
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The effect of recumbency position on the ultrasound measurement of the canine adrenal gland in non-adrenal gland illness
... The Bland–Altman analysis also determines the mean difference between the 2 recumbencies. If the mean differ- ence between the dorsal and lateral recumbency is zero then the average measurement is ...
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Measuring Quality of Life in TMD: use of SF-36
... The Bland-Altman analysis confirmed the good agreement (95%) between those scales. In fact the depression value of Axis II is in agreement with Mental Health, Role Emotion[r] ...
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Use of artificial primary teeth for endodontic laboratory research: experiments related to canal length determination
... Methods: Thirty anterior and 21 posterior artificial teeth, and the same number of natural primary teeth were selected. After preparing the access cavity, the root canal length was determined by two examiners twice using ...
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Performance of the Xpert HIV 1 Viral Load Assay: a Systematic Review and Meta analysis
... of Bland-Altman studies to stratify by type of reference test, although heterogeneity remained too high to provide pooled estimates ...in Bland-Altman results by reference test were ...and ...
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Evaluation of the Performance of the Automated NucliSENS easyMAG and EasyQ Systems versus the Roche AmpliPrep AMPLICOR Combination for High Throughput Monitoring of Human Immunodeficiency Virus Load
... similarity analysis shows the EasyQ HIV-1 assay has good accuracy (% ⫽ 96%) relative to the AMPLICOR IU/ml method and good precision (% SD ⫽ ...the Bland-Altman analysis with a positive bias ...
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Intraosseous blood samples for point-of-care analysis: agreement between intraosseous and arterial analyses
... We used the EZ-IO® device (Teleflex®, Inc., PA, U.S.A.) with a 15G 25-mm needle to obtain IO access to the proximal tibia by using a sterile technique involving fa- cial masks, sterile gloves, and surgical skin ...
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Reproducibility of a novel echocardiographic 3D automated software for the assessment of mitral valve anatomy
... manual analysis, the commissures are identified in 2D images after multiplanar reconstruction, in the short axis view and a straight line is traced between ...
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A step in the right direction: an open design pedometer algorithm for dogs
... All dogs for this part of the study ( n = 10) had been pre- viously diagnosed with osteoarthritis (see Table 2 for subject details). The cohort was made of 4♀ and 6♂. Over the course of the week, all dogs recorded GPS ...
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Joint torque variability and repeatability during cyclic flexion-extension of the elbow
... However, it is not always obvious to obtain accurate joint torque results that could be usefully exploited in model [25–27]. Applied to human motion analysis, sev- eral parameters can be a source of error. The ...
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Comparison of Blood Flow Velocity Quantification by 4D Flow MR Imaging with Ultrasound at the Carotid Bifurcation
... landmarks. Analysis plane 2 was anchored at the flow diverter point (branching point between the ECA and the ICA) and was angulated perpendicular to the ...other analysis planes were generated by shifting ...
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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
... CTP analysis on the same anonymized data- sets with the previously saved tissue regions of interest, defining at each reading the arterial input by drawing a standardized 4-pixel re- gion of interest in the ECA ...
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Pitfalls in the statistical examination and interpretation of the correspondence between physician and patient satisfaction ratings and their relevance for shared decision making research
... The Bland-Altman method augmented by bar charts of differences between physician and patient ratings was the best measure to capture the theoretically and clinically relevant high agreement regarding ...
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Reproducibility and comparative validity of a food frequency questionnaire for Australian children and adolescents
... The distribution of intakes of all nutrients, except energy, were examined for extreme values using scatterplots gen- erated for the average nutrient values of the FRs plotted against the average of FFQ1 and FFQ2. The ...
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Non-Invasive monitoring of diaphragmatic timing by means of surface contact sensors: An experimental study in dogs
... and Bland and Altman analysis (all cycles ...and Bland and Altman plot of the con- traction period estimated with thoracic motion (TC-TM), respiratory airflow (TC-FL) and ...
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