Three kits for measurement of serum thyroxine-binding globulin (TBG) were compared with a reference radioimmunoassay in forty-three normal euthyroid subjects. The Corning Immophase kit gave similar results to those with the reference method with satisfactory precision and accuracy. The Behringwerke AG RIA-gnost kit gave results with adequate but lower correlation with the reference method (r = 0.80) than that of the Corning kit trial (r = 0.92). The mean value was significantly greater than the reference method mean, indicating that the Behringwerke kit was inaccurately standardized. The CEA-Sorin TBG kit (Eurotope services) gave results with a poor correlation against the reference method (r = 0.59). The mean value was also significantly greater than the reference mean indicating that this kit is both inaccurately standardized and less precise than the other two. It is stressed that TBG-kits need to be periodically standardized against reference methods in the absence of properly validated primary standards in all batches.

Download full-text PDF

Source
http://dx.doi.org/10.1111/j.1365-2265.1980.tb03413.xDOI Listing

Publication Analysis

Top Keywords

reference method
16
correlation reference
8
greater reference
8
kit inaccurately
8
inaccurately standardized
8
reference
7
kit
6
accuracy standardization
4
standardization tbg
4
tbg kits
4

Similar Publications

Purpose: To report the clinical presentation and follow-up, including the optical coherence tomography, angiography and electrophysiology of two individuals from the same family presenting with an isolated retinal dystrophy and optic nerve edema who were diagnosed with ROSAH-like syndrome.

Method: Observational case report of a 55-year-old woman and her 36-year-old son with a genetic analysis of ROSAH, after a long-term follow-up.

Results: Both the mother and her son displayed severe optic nerve infiltration and retinal pigment atrophy with intraocular inflammation, which were not improved by immunosuppressive treatment.

View Article and Find Full Text PDF

Background: Readability is important to consider when developing informed consent communications for prospective research participants, but not the most important consideration. Other factors to consider relate to learning preferences and literacy needs of people recruited to participate in research, as these factors can influence understanding of consent communications. To promote understanding among prospective participants, researchers should take a human-centered approach to develop consent communications.

View Article and Find Full Text PDF

Identification of genetic variants of the gene in association with COPD susceptibility.

Ann Med

December 2025

Department of General Practice, Hainan affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, China.

Background: Although existing studies have identified some genetic loci associated with chronic obstructive pulmonary disease (COPD) susceptibility, many variants remain to be discovered. The aim of this study was to further explore the potential relationship between single nucleotide polymorphisms (SNPs) and COPD risk.

Methods: Nine hundred and ninety-six subjects were recruited (498 COPD cases and 498 healthy controls).

View Article and Find Full Text PDF

Semaglutide 2.4 mg versus Liraglutide 3 mg for the Treatment of Obesity in Greece: A Short-Term Cost-Effectiveness Analysis.

Pharmacoecon Open

January 2025

Department of Public Health Policy, School of Public Health, University of West Attica, 196 Alexandras Avenue, 115 21, Athens, Greece.

Background: Obesity is a global health issue with significant economic implications for health systems. Pharmacotherapy, including semaglutide 2.4 mg and liraglutide 3 mg, offers a treatment option for weight management; however, its cost-effectiveness requires evaluation.

View Article and Find Full Text PDF

Purpose: MMQ1 is a Danish-language patient-reported outcome measure (PROM) for quality of life (QOL) in people with multiple long-term conditions (MLTC). It measures needs-based QOL across six scales: Physical ability, Concerns and worries, Limitations in daily life, Social life, Personal finances and Self-image. There is currently no such measure available in English.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!