Results 51 to 60 of about 3,799,305 (383)

Test de activación de basófilos en el diagnóstico de alergia a medicamentos [PDF]

open access: yes, 2003
In this paper we study the reliability of the basophil activation test (BAT) in the "in-vitro" diagnosis of allergy to betalactams and to metamizol, and the sensitivity and specificity of the technique are analyzed.
Caballero, M.R. (M.R.)   +4 more
core   +1 more source

Confidence Intervals and Sample Size to Compare the Predictive Values of Two Diagnostic Tests

open access: yesMathematics, 2021
A binary diagnostic test is a medical test that is applied to an individual in order to determine the presence or the absence of a certain disease and whose result can be positive or negative.
José Antonio Roldán-Nofuentes   +1 more
doaj   +1 more source

Positive Predictive Value of BI-RADS MR Imaging [PDF]

open access: yesRadiology, 2012
To evaluate the positive predictive values (PPVs) of Breast Imaging and Reporting Data Systems (BI-RADS) assessment categories for breast magnetic resonance (MR) imaging and to identify the BI-RADS MR imaging lesion features most predictive of cancer.This institutional review board-approved HIPAA-compliant prospective multicenter study was performed ...
Mary C, Mahoney   +4 more
openaire   +2 more sources

Predictive impact of rare genomic copy number variations in siblings of individuals with autism spectrum disorders. [PDF]

open access: yes, 2019
Identification of genetic biomarkers associated with autism spectrum disorders (ASDs) could improve recurrence prediction for families with a child with ASD.
Brian, J   +21 more
core   +2 more sources

Analysis of Predictive Values Based on Individual Risk Factors in Multi-Modality Trials

open access: yesDiagnostics, 2013
The accuracy of diagnostic tests with binary end-points is most frequently measured by sensitivity and specificity. However, from the clinical perspective, the main purpose of a diagnostic agent is to assess the probability of a patient actually being ...
Katharina Lange, Edgar Brunner
doaj   +1 more source

The Positive Predictive Value of Onconeural Antibody Testing: A Retrospective Review

open access: yesCanadian Journal of Neurological Sciences / Journal Canadien des Sciences Neurologiques, 2018
Paraneoplastic syndromes (PNS) are immune-mediated neurologic diseases that occur as an indirect effect of malignancy, and can be challenging to diagnose.
A. Budhram, M. Nicolle, Liju Yang
semanticscholar   +1 more source

Sickle Cell Disease Is an Inherent Risk for Asthma in a Sibling Comparison Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Sickle cell disease (SCD) and asthma share a complex relationship. Although estimates vary, asthma prevalence in children with SCD is believed to be comparable to or higher than the general population. Determining whether SCD confers an increased risk for asthma remains challenging due to overlapping symptoms and the ...
Suhei C. Zuleta De Bernardis   +9 more
wiley   +1 more source

The role of targeted viral load testing in diagnosing virological failure in children on antiretroviral therapy with immunological failure. [PDF]

open access: yes, 2012
Objectives  To determine the improvement in positive predictive value of immunological failure criteria for identifying virological failure in HIV-infected children on antiretroviral therapy (ART) when a single targeted viral load measurement is ...
Calmy   +14 more
core   +2 more sources

Positive predictive value of cardiac examination, procedure and surgery codes in the Danish National Patient Registry: a population-based validation study

open access: yesBMJ Open, 2016
Objective Danish medical registries are widely used for cardiovascular research, but little is known about the data quality of cardiac interventions.
K. Adelborg   +6 more
semanticscholar   +1 more source

Strong associations and moderate predictive value of early symptoms for SARS-CoV-2 test positivity among healthcare workers, the Netherlands, March 2020

open access: yesEuro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin, 2020
Healthcare workers (n = 803) with mild symptoms were tested for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (n = 90 positive) and asked to complete a symptom questionnaire.
A. Tostmann   +11 more
semanticscholar   +1 more source

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