A major difficulty in evaluating in-vivo knee joint kinematics during walking is the artifacts created by movement of the skin and soft tissue relative to the underlying bones. An attachment system called exoskeleton has been proposed to remedy this problem; its precision is known as well as the repeatability of its calibration method. The objective of this study was to verify the intraand inte...

OBJECTIVE To assess the repeatability of measuring the pulsatility index of the uterine arteries using transvaginal color Doppler at 23 weeks of gestation. PATIENTS AND METHODS The pulsatility index was measured in 100 women with singleton pregnancies attending for routine transvaginal Doppler examination of the uterine arteries at 23 weeks. To assess the repeatability of different components...

BACKGROUND We studied the repeatability of the ambulatory arterial stiffness index (AASI), which can be computed from 24-h blood pressure (BP) recordings as unity minus the regression slope of diastolic on systolic BP. METHODS One hundred and fifty-two hypertensive outpatients recruited in Nijmegen (mean age = 46.2 years; 76.3% with systolic and diastolic hypertension) and 145 patients enroll...

This report presents the results of the repeatability evaluation for a friendly competition for formal verification of continuous and hybrid systems. The friendly competition took place as part of the workshop Applied Verification for Continuous and Hybrid Systems (ARCH) in 2017. In its first edition, thirteen tools have been applied to solve benchmark problems for the six competition categorie...

UNLABELLED The repeatability of rest and hyperemic myocardial blood flow (MBF) measurements using 82Rb PET has not been evaluated. The aim of this study was to investigate the short-term repeatability of such measurements. METHODS Fifteen healthy volunteers underwent rest and pharmacologic stress 82Rb PET, repeated 60 min apart. RESULTS There was no significant difference in repeated rest M...

OBJECTIVE To evaluate the repeatability and reproducibility of four simplified molecular assays for the diagnosis of Trypanosoma brucei spp. or Leishmania ssp. in a multicentre ring trial with seven participating laboratories. METHODS The tests are based on PCR or NASBA amplification of the parasites nucleic acids followed by rapid read-out by oligochromatographic dipstick (PCR-OC and NASBA-O...

Metabolic rate has been linked to several components of fitness and is both heritable and repeatable to a certain extent. However, its repeatability can differ among studies, even after controlling for the time interval between measurements. Some of this variation in repeatability might be due to the relative stability of the environmental conditions in which the animals are living between meas...

background, aim, method, result) max 200 words: An equipment for mobile measurement of road marking retroreflectivity, the LTL-M, has been developed by DELTA Light & Optics in Denmark. This instrument uses a different optical principle than the mobile instrument commonly used until now, the Ecodyn 30. The optical system used by the LTL-M might lead to better accuracy and repeatability. By simul...

Currently the most demanding application of extreme ultraviolet optics is connected with the development of extreme ultraviolet lithography. Not only does each of the Mo/Si multilayer extreme-ultraviolet stepper mirrors require the highest attainable reflectivity at 13 nm (nearly 70 %), but the central wavelength of the reflectivity of these mirrors must be measured with a wavelength repeatabil...

Objective. To assess the repeatability of the validated Flinders Calcium Food Frequency Questionnaire (FFQ(CA)) for estimating dietary calcium intake in a sample of community dwelling older Australians. Methods. A test-retest repeatability study involving 100 subjects (≥65 years) living independently in metropolitan Adelaide, Australia. Estimates of daily calcium intake from the first (FFQ(CA1)...