Bland-Altman plots
Computer-assisted determination of left ventricular endocardial borders reduces variability in the echocardiographic assessment of ejection fraction
... Correlation analysis comparing the various echocardiographic estimations of LVEF with that of myocardial gated perfusion imaging (left panels) and corresponding Bland- Altman plots of t[r] ...
14
A comparative study of 22-channel water-perfusion system and solid-state system with 36-sensors in esophageal manometery
... Further Bland – Altman plots analysis presented good agreement between the two systems measurements of location of LES upper margin, LES relax ratio and ...
8
Clinical decision support of therapeutic drug monitoring of phenytoin: measured versus adjusted phenytoin plasma concentrations
... Additional file 1: Figure S1 (correlation of PHT free versus PHT total/10 and PHT free versus PHT adj_free ), Figure S2 (Bland-Altman plots), Figure S3 (three-by-three contingency tables[r] ...
11
Does “Hidden Undercuffing” Occur Among Obese Patients? Effect of Arm Sizes and Other Predictors of the Difference Between Wrist and Upper Arm Blood Pressures
... Differences between mean SBP and DBP measured at the arm and wrist were compared using paired t tests, linear regression, and Bland–Altman plots.11 Concordance between arm and wrist BP w[r] ...
7
Agreement between ELISA and plaque reduction neutralisation assay in detection of respiratory syncytial virus specific antibodies in a birth Cohort from Kilifi, coastal Kenya
... The Bland-Altman plots demonstrated that 96% of all samples fell into the 95% limits of agreement between PRNT and crude ...used Bland-Altman plots to assess agreement between ...
17
Validation of two short questionnaires assessing physical activity in colorectal cancer patients
... the Bland Altman plots in- dicated no systematic bias of activities in any of the ...the Bland Altman plots, this negative trend seems to be accounted for by intensities higher ...
12
Reliability and concurrent validity of the International Physical Activity Questionnaire short form among pregnant women
... Comparing time spent performing physical activity at the various intensities, the mean differences and limits of agreement from Bland-Altman plots were − 84 ± 402 min/week for MPA, − 85 [r] ...
10
Accuracy of a hand held lactate meter in measuring umbilical cord blood lactate at all lactate levels
... Objective: Fetal scalp lactate has largely replaced pH analysis to assess intrapartum hypoxia. Many obstet- rics units use hand-held lactate meters to measure um- bilical blood because of its affordability and ease of ...
7
Repeatability of intraocular pressure measurements with Icare PRO rebound, Tono-Pen AVIA, and Goldmann tonometers in sitting and reclining positions
... 0.279). Bland-Altman plots were used to demonstrate dif- ferences between measurement 1 and 2 of the three methods in sitting position (Figure ...Furthermore, Bland-Altman plots ...
8
METHOD COMPARISON STUDIES IN MEDICINE
... the Bland-Altman plot indicates incorrectly that there is a systematic bias in the relationship between two measures ...the Bland-Altman plot, but not in the regression (ordinary least squares ...
7
Simultaneous assessment of the synthesis rate and transcapillary escape rate of albumin in inflammation and surgery
... 5 Bland–Altman plots demonstrating agreement between measurements of the transcapillary escape rate TER and plasma volume PV as measured by 123I-albumin and 125I-albumin, respectively, i[r] ...
8
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 focuses on the agreement between two raters or ...methods. Bland and Altman state that the use of correlation coefficients in the case of agreement is misleading ...The ...
10
Reproducibility of a novel echocardiographic 3D automated software for the assessment of mitral valve anatomy
... 5 Bland-Altman scatterplot demonstrating the agreement in the measurement of MV intercommissural diameter ( a ), area of mitral annulus ( b ), anterior leaflet length ( c ) and posterior[r] ...
8
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 ...
10
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
... the Bland-Altman (1) difference plot for bias and agreement, including limits of agreement and confidence intervals, and (iii) the percent similarity model (4) for measuring agreement, including accuracy ...
6
Open-source, vendor-independent, automated multi-beat tissue Doppler echocardiography analysis
... Bland–Altman bias and 95% limits of agreement comparing manual and automated peak tissue Doppler velocity measurements at the septal annulus using different measurement conventions: mid[r] ...
14
Comparison of Blood Flow Velocity Quantification by 4D Flow MR Imaging with Ultrasound at the Carotid Bifurcation
... Bland-Altman plot of systolic A and diastolic B blood flow velocities within the ICA of reproducibility and interobserver agreevolunteers and patients as measured by MR imaging vs sonogra[r] ...
7
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] ...
8
Agreement between Orbscan II, VuMAX UBM and Artemis-2 very-high frequency ultrasound scanner for measurement of anterior chamber depth
... The data for all subjects were analyzed using Microsoft Excel 2007 < tm>. For data analysis, Medcalc software (version 11.4.4.0) was used. Coefficient of variance (CV) was used to show the extent of variability in ...
7
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 ...
8