Results 41 to 50 of about 2,932,343 (371)

Ultrasensitive detection of lipoarabinomannan with plasmonic grating biosensors in clinical samples of HIV negative patients with tuberculosis. [PDF]

, 2019
BACKGROUND:Timely diagnosis of tuberculosis disease is critical for positive patient outcomes, yet potentially millions go undiagnosed or unreported each year.
Andama, Alfred, Ball, Alexey, Barizuddin, Syed, Bok, Sangho, Cattamanchi, Adithya, Connelly, John T, Darr, Charles M, Gangopadhyay, Keshab, Gangopadhyay, Shubhra, Hamasur, Beston, Mathai, Cherian J, Minch, Kyle, Somoskovi, Akos, Weigl, Bernhard, Wood, Aaron   +14 more
core   +2 more sources

Rapid and Sensitive Loop-Mediated Isothermal Amplification Test for Clostridium difficile Detection Challenges Cytotoxin B Cell Test and Culture as Gold Standard

Journal of Clinical Microbiology, 2010
Torbjörn Norén, Ingegärd Alriksson, Josefin Andersson, Thomas Åkerlund, Magnus Unemo   +4 more
openalex   +3 more sources

Comparison of Three Serologic Tests for the Detection of Anti-Coxiella burnetii Antibodies in Patients with Q Fever

Pathogens, 2023
The performance of a commercial immunofluorescence assay (IFA commercial), an in-house immunofluorescence assay (IFA in-house) and an indirect enzyme-linked immunosorbent assay (ELISA) were evaluated in the detection of antibodies anti-C. burnetii in the
Danilo Alves de França, Mateus de Souza Ribeiro Mioni, Felipe Fornazari, Nássarah Jabur Lot Rodrigues, Lucas Roberto Ferreira Polido, Camila Michele Appolinario, Bruna Letícia Devidé Ribeiro, Ana Íris de Lima Duré, Marcos Vinicius Ferreira Silva, Virgínia Bodelão Richini-Pereira, Helio Langoni, Jane Megid   +11 more
doaj   +1 more source

Identification of sleep apnea events using discrete wavelet transform of respiration, ECG and accelerometer signals [PDF]

, 2013
Sleep apnea is a common sleep disorder in which patient sleep patterns are disrupted due to recurrent pauses in breathing or by instances of abnormally low breathing. Current gold standard tests for the detection of apnea events are costly and have the
Dermot Diamond, Edmond Mitchell, Jennifer Gaughran, Kevin T. Sweeney, Noel E. O'Connor, Richard Costello, Shirley Coyle, Thomas Kane   +7 more
core   +1 more source

Comparison of different methods involved in the planning of clinical crown lengthening surgery

Brazilian Oral Research, 2010
There is little material in the literature that compares biological width measurements in periapical and bite-wings radiographs with clinical measurements. The purpose of this study was to compare measurements of biological width taken by three different
Fabricio Batistin Zanatta, Bruno Rodrigues Giacomelli, Patricia Pasquali Dotto, Vânia Regina Camargo Fontanella, Cassiano Kuchenbecker Rosing   +4 more
doaj   +1 more source

A multinomial quadrivariate D-vine copula mixed model for meta-analysis of diagnostic studies in the presence of non-evaluable subjects [PDF]

, 2020
Diagnostic test accuracy studies observe the result of a gold standard procedure that defines the presence or absence of a disease and the result of a diagnostic test.
Aristidis K Nikoloulopoulos, Genest C, Nash J., Schuetz GM, Stroud AH   +4 more
core   +2 more sources

The stability of intelligence from age 11 to age 90 years:the Lothian birth cohort of 1921 [PDF]

, 2013
As a foundation for studies of human cognitive aging, it is important to know the stability of individual differences in cognitive ability across the life course. Few studies of cognitive ability have tested the same individuals in youth and old age.
General Register Office, Jensen A. R., Lezak M., Maxwell J., Nelson H. E., Raven J. C., Scottish Council for Research in Education, Wechsler D., Wechsler D., Wechsler D., Wiberg M.   +10 more
core   +1 more source

Accuracy and feasibility of an android-based digital assessment tool for post stroke visual disorders - The StrokeVision App [PDF]

, 2018
Background: Visual impairment affects up to 70% of stroke survivors. We designed an app (StrokeVision) to facilitate screening for common post stroke visual issues (acuity, visual fields and visual inattention).
Breckenridge, Andrew, Livingstone, Iain, McAlpine, Christine, Quinn, Terence J., Shaw, Robert, Tarbert, Claire M., Weir, Alexander   +6 more
core   +2 more sources

Evaluation of the diagnostic accuracy of a point-of-care device to measure concentrations of nonesterified fatty acids in serum and whole blood

JDS Communications, 2023
The objective of this study was to compare measurements of nonesterified fatty acids (NEFA) between the gold standard diagnostic laboratory method and a handheld NEFA meter (Qucare Pro meter, DFI Co. Ltd.).
P.L. Venjakob, L.F. Bretzinger, S. Borchardt, C. Weber, W. Heuwieser   +4 more
doaj   +1 more source

A Bayesian framework for estimating the incremental value of a diagnostic test in the absence of a gold standard

BMC Medical Research Methodology, 2014
BackgroundThe absence of a gold standard, i.e., a diagnostic reference standard having perfect sensitivity and specificity, is a common problem in clinical practice and in diagnostic research studies.
D. Ling, M. Pai, Ian Schiller, N. Dendukuri   +3 more
semanticscholar   +1 more source