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Items for "accuracy"

We Fill in Our Working Understanding: On Codes, Classifications and the Production of Accurate Data

OBJECTIVES: This paper describes differences in the way general practitioners in Denmark, The Netherlands and Great Britain make codes fit into the local conditions under which they work. METHODS: An ethnographic study method has been used to collect data in Dutch, British and Danish general practices. RESULTS AND CONCLUSIONS: The paper argues that what counts as accurate data is locally constructed...

Keywords: Diagnostic codes, classification systems, General Practice, Electronic Patient Record, localization, accuracy, ethnography.

01/2003 | Methods of Information in Medicine, Schattauer

Intra- and interobserver variability of thyroid volume measurements in healthy adults by 2D versus 3D ultrasound

Thyroid volume measurement by ultrasonography (US) is essential in numerous clinical diagnostic and therapeutic fields...

Keywords: Schilddrüsenvolumetrie, zweidimensionaler Ultraschall, dreidimensionaler Ultraschall, Intraobserver-Variabilität, Interobserver-Variabilität, Richtigkeit, Präzision, systematischer Fehler, zufälliger Fehler

01/2007 | Nuklearmedizin, Schattauer

Third metacarpal bone mineral density assessment in the standing horse by dual X-ray absorptiometry

Bone mineral density (BMD) is correlated to mechanical properties of bone. In the horse, dual energy X-ray absorptiometry (DXA) has yet only been performed ex-vivo, but a new portable DXA device would be ideal for in-vivo BMD measurement...

Keywords: DXA, accuracy, precision, horse, in-vivo

00/0000 | Veterinary and Comparative Orthopaedics and Traumatology, Schattauer

Desirable performance standards for HbA_1c analysis – precision, accuracy and standardisation / Consensus statement of the Australasian Association of Clinical Biochemists (AACB), the Australian Diabetes Society (ADS), the Royal College of

Background: HbA_1c (glycohaemoglobin) is universally used in the ongoing monitoring of all patients with diabetes...

Keywords: accuracy, assay precision, biological variation, glycohaemoglobin, HbA1c, interferences, patient target control ratings, performance standards, standardisation

03/2007 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

Use of extrapolation in regularization methods

Extrapolation is a well-known tool for increasing the accuracy of approximation methods. We consider extrapolation of Tikhonov and Lavrentiev methods and iterated variants of these methods for solving linear ill-posed problems in Hilbert space...

Keywords: Ill-posed problem, iterated Tikhonov method, iterated Lavrentiev method, extrapolation, qualification, accuracy, Lepskii principle, monotone error rule

06/2007 | Journal of Inverse and Ill-posed Problems, Walter de Gruyter

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