Results 21 to 30 of about 87,413 (321)

Bar charts enhance Bland–Altman plots when value ranges are limited [PDF]

open access: yesJournal of Clinical Epidemiology, 2010
A common form of validation study compares alternative methods for collecting data. The Bland-Altman plot pairs observations across methods and plots their mean values vs. their difference. This method provides only limited information, however, when the range of observed values is small relative to the number of observations.
Mark W, Smith   +2 more
openaire   +2 more sources

Performance evaluation of QuantStudio 1 plus real-time PCR instrument for clinical laboratory analysis: A proof-of-concept study

open access: yesPractical Laboratory Medicine, 2023
Objective: The real-time PCR system is one of the most powerful research tools available in the life sciences field. The aim of this study was to preliminarily evaluate the analytical performance of QuantStudio 1 Plus real-time PCR system (QS 1 plus) for
Ziran Wang   +8 more
doaj   +1 more source

Design of a new method for detection of occupancy in the smart home using an FBG sensor [PDF]

open access: yes, 2020
This article introduces a new way of using a fibre Bragg grating (FBG) sensor for detecting the presence and number of occupants in the monitored space in a smart home (SH).
Fajkus, Marcel   +3 more
core   +1 more source

Valutazione Della Concordanza Tra Misurazioni di Caratteri di Tipo Quantitativo: Il Metodo di Bland-Altman

open access: yesGiornale di Clinica Nefrologia e Dialisi, 2017
non disponibile (Epidemiology_statistics)
Francesco Franco, Anteo Di Napoli
doaj   +1 more source

Calculation of plasma chloride levels using blood gas measurements [PDF]

open access: yesJournal of Emergency Practice and Trauma, 2017
Objective: Chloride is the major plasma anion. There are several methods available for the determination of serum chloride levels. Unfortunately these methods are sometimes not available in the urgent setting where values are needed.
Reza Hashemi   +3 more
doaj   +1 more source

Correlation and agreement between superb micro-vascular imaging and contrast-enhanced ultrasound for assessing radiofrequency ablation treatment of thyroid nodules: a preliminary study

open access: yesBMC Medical Imaging, 2021
Background To evaluate the correlation and agreement between superb micro-vascular imaging (SMI) mode and the contrast-enhanced ultrasound (CEUS) mode for the ablative completeness and the volumes of ablation lesions to determine the clinical application
Yu Lan   +5 more
doaj   +1 more source

Assessing Agreement When Agreement Is Hard to Assess—The Agatston Score for Coronary Calcification

open access: yesDiagnostics, 2022
Method comparison studies comprised simple scatterplots of paired measurements, a 45-degree line as benchmark, and correlation coefficients up to the advent of Bland–Altman analysis in the 1980s.
Kristoffer Papsø Andersen, Oke Gerke
doaj   +1 more source

Detection of Sleep Disordered Breathing in Patients Hospitalized with Congestive Heart Failure [PDF]

open access: yes, 2015
OBJECTIVES: The purpose of this study was to evaluate the plethysmographic signal-derived oxygen desaturation index (ODI) as an inpatient screening strategy to identify sleep-disordered breathing (SDB) in patients with congestive heart failure (CHF ...
Mather, Paul, Sharma, Sunil
core   +3 more sources

Agreement of objectively measured physical activity and sedentary time in preschool children

open access: yesPreventive Medicine Reports, 2015
Objective: To determine the intra-individual agreement for objectively measured physical activity (PA) and sedentary behavior (SED) over two subsequent weeks in preschool children.
Eivind Aadland, Kjersti Johannessen
doaj   +1 more source

The validity of the Youth Physical Activity Questionnaire in 12-13 year old Scottish adolescents [PDF]

open access: yes, 2017
Background: The development of accurate methods to measure health-behaviours forms an integral component in behavioural epidemiology. Population surveillance of physical activity often relies on self/proxy reported questionnaires due to cost and relative
Ellaway, Anne   +2 more
core   +1 more source

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